[kbuild] [dhowells-fs:fscache-iter 22/62] include/linux/fscache.h:80:30: sparse: sparse: don't know how to apply mode to unsigned int enum fscache_cookie_stage
CC: kbuild-...@lists.01.org
TO: "David, Howells,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
fscache-iter
head: b4a9eadc021941103fd0c925e7e7b38516ffaf39
commit: 5db57596b0d3e5e78f7202dd50a58cc154f66b7c [22/62] fscache: Replace the
object management state machine
:: branch date: 6 days ago
:: commit date: 6 days ago
config: x86_64-randconfig-s022-20200602 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 5db57596b0d3e5e78f7202dd50a58cc154f66b7c
# save the attached .config to linux build tree
make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
>> include/linux/fscache.h:80:30: sparse: sparse: don't know how to apply mode
>> to unsigned int enum fscache_cookie_stage
#
https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/commit/?id=5db57596b0d3e5e78f7202dd50a58cc154f66b7c
git remote add dhowells-fs
https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
git remote update dhowells-fs
git checkout 5db57596b0d3e5e78f7202dd50a58cc154f66b7c
vim +80 include/linux/fscache.h
2d6fff63703739 David Howells 2009-04-03 68
5db57596b0d3e5 David Howells 2020-02-06 69 /*
5db57596b0d3e5 David Howells 2020-02-06 70 * Data object state.
5db57596b0d3e5 David Howells 2020-02-06 71 */
5db57596b0d3e5 David Howells 2020-02-06 72 enum fscache_cookie_stage {
5db57596b0d3e5 David Howells 2020-02-06 73 FSCACHE_COOKIE_STAGE_QUIESCENT,
/* The cookie is uncached */
5db57596b0d3e5 David Howells 2020-02-06 74
FSCACHE_COOKIE_STAGE_INITIALISING, /* The in-memory structs are being
inited */
5db57596b0d3e5 David Howells 2020-02-06 75
FSCACHE_COOKIE_STAGE_LOOKING_UP,/* The cache object is being looked up
*/
5db57596b0d3e5 David Howells 2020-02-06 76
FSCACHE_COOKIE_STAGE_NO_DATA_YET, /* The cache has no data, read to
network */
5db57596b0d3e5 David Howells 2020-02-06 77 FSCACHE_COOKIE_STAGE_ACTIVE,
/* The cache is active, readable and writable */
5db57596b0d3e5 David Howells 2020-02-06 78
FSCACHE_COOKIE_STAGE_INVALIDATING, /* The cache is being invalidated */
5db57596b0d3e5 David Howells 2020-02-06 79 FSCACHE_COOKIE_STAGE_DEAD,
/* The cache object is dead */
5db57596b0d3e5 David Howells 2020-02-06 @80 } __attribute__((mode(byte)));
5db57596b0d3e5 David Howells 2020-02-06 81
---
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[kbuild] [lkundrak-linux-mmp:lr/ariel 65/67] sound/soc/codecs/88ce156-codec.c:1274:1-6: WARNING: invalid free of devm_ allocated data
CC: kbuild-...@lists.01.org
TO: "Lubomir, Rintel,"
tree: git://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp.git
lr/ariel
head: 744209eb6a53c65c03de1214febd58adbad72853
commit: 2e9965325fb254f4792fb2b6b086b12dc63f891c [65/67] p4
:: branch date: 11 hours ago
:: commit date: 11 hours ago
config: sparc-randconfig-c024-20200602 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
Reported-by: Julia Lawall
coccinelle warnings: (new ones prefixed by >>)
>> sound/soc/codecs/88ce156-codec.c:1274:1-6: WARNING: invalid free of devm_
>> allocated data
#
https://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp.git/commit/?id=2e9965325fb254f4792fb2b6b086b12dc63f891c
git remote add lkundrak-linux-mmp
git://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp.git
git remote update lkundrak-linux-mmp
git checkout 2e9965325fb254f4792fb2b6b086b12dc63f891c
vim +1274 sound/soc/codecs/88ce156-codec.c
27998497039d25 Lubomir Rintel 2020-05-24 1245
2e9965325fb254 Lubomir Rintel 2020-05-24 1246 static int
ce156_i2c_probe(struct i2c_client *i2c)
27998497039d25 Lubomir Rintel 2020-05-24 1247 {
27998497039d25 Lubomir Rintel 2020-05-24 1248 struct ce156_private
*ce156_priv;
27998497039d25 Lubomir Rintel 2020-05-24 1249 int ret;
27998497039d25 Lubomir Rintel 2020-05-24 1250
27998497039d25 Lubomir Rintel 2020-05-24 1251 printk(KERN_INFO
"CE156: register i2c driver successfully\n");
27998497039d25 Lubomir Rintel 2020-05-24 1252
2e9965325fb254 Lubomir Rintel 2020-05-24 1253 ce156_priv =
devm_kzalloc(&i2c->dev, sizeof(struct ce156_private), GFP_KERNEL);
27998497039d25 Lubomir Rintel 2020-05-24 1254 if (ce156_priv == NULL)
27998497039d25 Lubomir Rintel 2020-05-24 1255 return -ENOMEM;
27998497039d25 Lubomir Rintel 2020-05-24 1256
3c683b56c7a576 Lubomir Rintel 2020-05-24 1257 ce156_priv->regmap =
devm_regmap_init_i2c(i2c, &ce156_regmap);
3c683b56c7a576 Lubomir Rintel 2020-05-24 1258 if
(IS_ERR(ce156_priv->regmap)) {
3c683b56c7a576 Lubomir Rintel 2020-05-24 1259 ret =
PTR_ERR(ce156_priv->regmap);
3c683b56c7a576 Lubomir Rintel 2020-05-24 1260
dev_err(&i2c->dev, "Failed to allocate regmap (%d)\n", ret);
3c683b56c7a576 Lubomir Rintel 2020-05-24 1261 return ret;
3c683b56c7a576 Lubomir Rintel 2020-05-24 1262 }
3c683b56c7a576 Lubomir Rintel 2020-05-24 1263
40169b41e2e888 Lubomir Rintel 2020-05-24 1264 ret =
devm_snd_soc_register_component(&i2c->dev, &soc_component_dev_ce156,
&ce156_dai, 1);
27998497039d25 Lubomir Rintel 2020-05-24 1265
27998497039d25 Lubomir Rintel 2020-05-24 1266 if (ret) {
27998497039d25 Lubomir Rintel 2020-05-24 1267
printk(KERN_INFO "CE156: Failed to register codec\n");
27998497039d25 Lubomir Rintel 2020-05-24 1268 goto out;
27998497039d25 Lubomir Rintel 2020-05-24 1269 }
27998497039d25 Lubomir Rintel 2020-05-24 1270
27998497039d25 Lubomir Rintel 2020-05-24 1271 return ret;
27998497039d25 Lubomir Rintel 2020-05-24 1272
27998497039d25 Lubomir Rintel 2020-05-24 1273 out:
27998497039d25 Lubomir Rintel 2020-05-24 @1274 kfree(ce156_priv);
27998497039d25 Lubomir Rintel 2020-05-24 1275 return -EINVAL;
27998497039d25 Lubomir Rintel 2020-05-24 1276 }
27998497039d25 Lubomir Rintel 2020-05-24 1277
:: The code at line 1274 was first introduced by commit
:: 27998497039d2518d34ba88ddd721c2290a2e162 XXX 88CE156
:: TO: Lubomir Rintel
:: CC: Lubomir Rintel
---
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[kbuild] drivers/usb/gadget/legacy/raw_gadget.c:102 raw_event_queue_fetch() warn: inconsistent returns 'queue->sema'.
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Andrey, Konovalov,"
CC: Felipe Balbi
CC: "Greg Kroah-Hartman"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: f359287765c04711ff54fbd11645271d8e5ff763
commit: f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10 usb: gadget: add raw-gadget
interface
date: 3 months ago
:: branch date: 6 hours ago
:: commit date: 3 months ago
config: x86_64-randconfig-m001-20200602 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
Reported-by: Dan Carpenter
New smatch warnings:
drivers/usb/gadget/legacy/raw_gadget.c:102 raw_event_queue_fetch() warn:
inconsistent returns 'queue->sema'.
Old smatch warnings:
drivers/usb/gadget/legacy/raw_gadget.c:397 raw_ioctl_init() warn: maybe return
-EFAULT instead of the bytes remaining?
drivers/usb/gadget/legacy/raw_gadget.c:512 raw_ioctl_event_fetch() warn: maybe
return -EFAULT instead of the bytes remaining?
drivers/usb/gadget/legacy/raw_gadget.c:535 raw_ioctl_event_fetch() warn: maybe
return -EFAULT instead of the bytes remaining?
drivers/usb/gadget/legacy/raw_gadget.c:546 raw_alloc_io_data() error: passing
non negative 8 to ERR_PTR
drivers/usb/gadget/legacy/raw_gadget.c:668 raw_ioctl_ep0_read() warn: maybe
return -EFAULT instead of the bytes remaining?
drivers/usb/gadget/legacy/raw_gadget.c:962 raw_ioctl_ep_read() warn: maybe
return -EFAULT instead of the bytes remaining?
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout f2c2e717642c66f7fe7e5dd69b2e8ff5849f4d10
vim +102 drivers/usb/gadget/legacy/raw_gadget.c
f2c2e717642c66 Andrey Konovalov 2020-02-24 80
f2c2e717642c66 Andrey Konovalov 2020-02-24 81 static struct usb_raw_event
*raw_event_queue_fetch(
f2c2e717642c66 Andrey Konovalov 2020-02-24 82
struct raw_event_queue *queue)
f2c2e717642c66 Andrey Konovalov 2020-02-24 83 {
f2c2e717642c66 Andrey Konovalov 2020-02-24 84 unsigned long flags;
f2c2e717642c66 Andrey Konovalov 2020-02-24 85 struct usb_raw_event
*event;
f2c2e717642c66 Andrey Konovalov 2020-02-24 86
f2c2e717642c66 Andrey Konovalov 2020-02-24 87 /*
f2c2e717642c66 Andrey Konovalov 2020-02-24 88 * This function can be
called concurrently. We first check that
f2c2e717642c66 Andrey Konovalov 2020-02-24 89 * there's at least one
event queued by decrementing the semaphore,
f2c2e717642c66 Andrey Konovalov 2020-02-24 90 * and then take the
lock to protect queue struct fields.
f2c2e717642c66 Andrey Konovalov 2020-02-24 91 */
f2c2e717642c66 Andrey Konovalov 2020-02-24 92 if
(down_interruptible(&queue->sema))
f2c2e717642c66 Andrey Konovalov 2020-02-24 93 return NULL;
f2c2e717642c66 Andrey Konovalov 2020-02-24 94
spin_lock_irqsave(&queue->lock, flags);
f2c2e717642c66 Andrey Konovalov 2020-02-24 95 if
(WARN_ON(!queue->size))
f2c2e717642c66 Andrey Konovalov 2020-02-24 96 return NULL;
f2c2e717642c66 Andrey Konovalov 2020-02-24 97 event =
queue->events[0];
f2c2e717642c66 Andrey Konovalov 2020-02-24 98 queue->size--;
f2c2e717642c66 Andrey Konovalov 2020-02-24 99
memmove(&queue->events[0], &queue->events[1],
f2c2e717642c66 Andrey Konovalov 2020-02-24 100
queue->size * sizeof(queue->events[0]));
f2c2e717642c66 Andrey Konovalov 2020-02-24 101
spin_unlock_irqrestore(&queue->lock, flags);
f2c2e717642c66 Andrey Konovalov 2020-02-24 @102 return event;
f2c2e717642c66 Andrey Konovalov 2020-02-24 103 }
f2c2e717642c66 Andrey Konovalov 2020-02-24 104
---
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[kbuild] [PATCH] fix returnvar.cocci warnings
CC: kbuild-...@lists.01.org
TO: "Lubomir, Rintel,"
CC: Liam Girdwood
CC: Mark Brown
CC: Jaroslav Kysela
CC: Takashi Iwai
CC: alsa-de...@alsa-project.org
CC: linux-ker...@vger.kernel.org
From: kbuild test robot
sound/soc/codecs/88ce156-codec.c:1341:5-8: Unneeded variable: "ret". Return "0"
on line 1390
Remove unneeded variable used to store return value.
Generated by: scripts/coccinelle/misc/returnvar.cocci
Fixes: 27998497039d ("XXX 88CE156")
Signed-off-by: kbuild test robot
---
tree: git://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp.git
lr/ariel
head: 744209eb6a53c65c03de1214febd58adbad72853
commit: 27998497039d2518d34ba88ddd721c2290a2e162 [61/67] XXX 88CE156
:: branch date: 9 hours ago
:: commit date: 9 hours ago
Please take the patch only if it's a positive warning. Thanks!
88ce156-codec.c |4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- a/sound/soc/codecs/88ce156-codec.c
+++ b/sound/soc/codecs/88ce156-codec.c
@@ -1338,8 +1338,6 @@ struct snd_soc_dai_driver ce156_dai = {
static int ce156_dev_init(struct snd_soc_codec *codec)
{
- int ret = 0;
-
ce156_reset(codec);
mdelay(10);
@@ -1387,7 +1385,7 @@ static int ce156_dev_init(struct snd_soc
printk(KERN_INFO "ce156: initial ok\n");
- return ret;
+ return 0;
}
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[kbuild] [lkundrak-linux-mmp:lr/ariel 61/67] sound/soc/codecs/88ce156-codec.c:1341:5-8: Unneeded variable: "ret". Return "0" on line 1390
CC: kbuild-...@lists.01.org TO: "Lubomir, Rintel," tree: git://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp.git lr/ariel head: 744209eb6a53c65c03de1214febd58adbad72853 commit: 27998497039d2518d34ba88ddd721c2290a2e162 [61/67] XXX 88CE156 :: branch date: 9 hours ago :: commit date: 9 hours ago config: sparc-randconfig-c024-20200602 (attached as .config) compiler: sparc64-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot Reported-by: Julia Lawall coccinelle warnings: (new ones prefixed by >>) >> sound/soc/codecs/88ce156-codec.c:1341:5-8: Unneeded variable: "ret". Return >> "0" on line 1390 Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org .config.gz Description: application/gzip ___ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
[kbuild] arch/x86/kernel/ftrace.c:371:59: sparse: sparse: subtraction of functions? Share your drugs
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Peter, Zijlstra,"
CC: Ingo Molnar
CC: Miroslav Benes
CC: Alexandre Chartre
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: f359287765c04711ff54fbd11645271d8e5ff763
commit: 0298739b7983cf9bf4fcfb4bfb815c539bdb87ca x86,ftrace: Fix
ftrace_regs_caller() unwind
date: 6 weeks ago
:: branch date: 4 hours ago
:: commit date: 6 weeks ago
config: x86_64-randconfig-s021-20200602 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 0298739b7983cf9bf4fcfb4bfb815c539bdb87ca
# save the attached .config to linux build tree
make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
>> arch/x86/kernel/ftrace.c:371:59: sparse: sparse: subtraction of functions?
>> Share your drugs
arch/x86/kernel/ftrace.c:40:5: sparse: sparse: context imbalance in
'ftrace_arch_code_modify_prepare' - wrong count at exit
arch/x86/kernel/ftrace.c:53:5: sparse: sparse: context imbalance in
'ftrace_arch_code_modify_post_process' - wrong count at exit
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0298739b7983cf9bf4fcfb4bfb815c539bdb87ca
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout 0298739b7983cf9bf4fcfb4bfb815c539bdb87ca
vim +371 arch/x86/kernel/ftrace.c
d2a68c4effd821 Steven Rostedt (VMware 2018-12-08 311)
aec0be2d6e9f02 Steven Rostedt (Red Hat 2014-11-18 312) static unsigned long
aec0be2d6e9f02 Steven Rostedt (Red Hat 2014-11-18 313)
create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size)
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 314) {
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 315)unsigned long
start_offset;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 316)unsigned long
end_offset;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 317)unsigned long
op_offset;
768ae4406a5cab Peter Zijlstra 2019-08-26 318 unsigned long
call_offset;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 319)unsigned long
offset;
3c0dab44e22782 Nadav Amit 2019-04-25 320 unsigned long
npages;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 321)unsigned long
size;
d2a68c4effd821 Steven Rostedt (VMware 2018-12-08 322)unsigned long
retq;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 323)unsigned long
*ptr;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 324)void
*trampoline;
d2a68c4effd821 Steven Rostedt (VMware 2018-12-08 325)void *ip;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 326)/* 48 8b 15
is movq (%rip), %rdx */
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 327)unsigned const
char op_ref[] = { 0x48, 0x8b, 0x15 };
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 328)union
ftrace_op_code_union op_ptr;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 329)int ret;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 330)
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 331)if (ops->flags
& FTRACE_OPS_FL_SAVE_REGS) {
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 332)
start_offset = (unsigned long)ftrace_regs_caller;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 333)
end_offset = (unsigned long)ftrace_regs_caller_end;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 334)
op_offset = (unsigned long)ftrace_regs_caller_op_ptr;
768ae4406a5cab Peter Zijlstra 2019-08-26 335
call_offset = (unsigned long)ftrace_regs_call;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 336)} else {
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 337)
start_offset = (unsigned long)ftrace_caller;
0298739b7983cf Peter Zijlstra 2020-04-01 338
end_offset = (unsigned long)ftrace_caller_end;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 339)
op_offset = (unsigned long)ftrace_caller_op_ptr;
768ae4406a5cab Peter Zijlstra 2019-08-26 340
call_offset = (unsigned long)ftrace_call;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 341)}
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 342)
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 343)size =
end_offset - start_offset;
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 344)
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 345)/*
f3bea49115b21e Steven Rostedt (Red Hat 2014-07-02 346) * Allocate
enough size to store t
[kbuild] [linux-review:John-Fastabend/fix-ktls-with-sk_skb_verdict-programs/20200601-011016 1888/1896] kernel/bpf/ringbuf.c:332:13: sparse: sparse: context imbalance in '__bpf_ringbuf_reserve' - diffe
CC: kbuild-...@lists.01.org
TO: "Andrii, Nakryiko,"
CC: Daniel Borkmann
tree:
https://github.com/0day-ci/linux/commits/John-Fastabend/fix-ktls-with-sk_skb_verdict-programs/20200601-011016
head: 782773c4c3638155ca2955789a3f70e090afc347
commit: 35dd30a79d27f96ab5ca28e65a869ed9e611af69 [1888/1896] bpf: Implement BPF
ring buffer and verifier support for it
:: branch date: 35 hours ago
:: commit date: 4 days ago
config: microblaze-randconfig-s031-20200602 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 35dd30a79d27f96ab5ca28e65a869ed9e611af69
# save the attached .config to linux build tree
make W=1 C=1 ARCH=microblaze CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
>> kernel/bpf/ringbuf.c:332:13: sparse: sparse: context imbalance in
>> '__bpf_ringbuf_reserve' - different lock contexts for basic block
#
https://github.com/0day-ci/linux/commit/35dd30a79d27f96ab5ca28e65a869ed9e611af69
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 35dd30a79d27f96ab5ca28e65a869ed9e611af69
vim +/__bpf_ringbuf_reserve +332 kernel/bpf/ringbuf.c
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 331
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 @332 static void
*__bpf_ringbuf_reserve(struct bpf_ringbuf *rb, u64 size)
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 333 {
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 334 unsigned long cons_pos,
prod_pos, new_prod_pos, flags;
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 335 u32 len, pg_off;
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 336 struct bpf_ringbuf_hdr
*hdr;
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 337
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 338 if (unlikely(size >
RINGBUF_MAX_RECORD_SZ))
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 339 return NULL;
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 340
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 341 len = round_up(size +
BPF_RINGBUF_HDR_SZ, 8);
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 342 cons_pos =
smp_load_acquire(&rb->consumer_pos);
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 343
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 344 if (in_nmi()) {
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 345 if
(!spin_trylock_irqsave(&rb->spinlock, flags))
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 346 return
NULL;
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 347 } else {
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 348
spin_lock_irqsave(&rb->spinlock, flags);
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 349 }
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 350
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 351 prod_pos =
rb->producer_pos;
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 352 new_prod_pos = prod_pos
+ len;
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 353
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 354 /* check for out of
ringbuf space by ensuring producer position
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 355 * doesn't advance more
than (ringbuf_size - 1) ahead
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 356 */
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 357 if (new_prod_pos -
cons_pos > rb->mask) {
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 358
spin_unlock_irqrestore(&rb->spinlock, flags);
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 359 return NULL;
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 360 }
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 361
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 362 hdr = (void *)rb->data
+ (prod_pos & rb->mask);
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 363 pg_off =
bpf_ringbuf_rec_pg_off(rb, hdr);
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 364 hdr->len = size |
BPF_RINGBUF_BUSY_BIT;
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 365 hdr->pg_off = pg_off;
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 366
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 367 /* pairs with
consumer's smp_load_acquire() */
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 368
smp_store_release(&rb->producer_pos, new_prod_pos);
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 369
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 370
spin_unlock_irqrestore(&rb->spinlock, flags);
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 371
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 372 return (void *)hdr +
BPF_RINGBUF_HDR_SZ;
35dd30a79d27f9 Andrii Nakryiko 2020-05-29 3
[kbuild] [yao:perf-intel-next 27/113] arch/x86/events/intel/uncore.c:1600 check_discovery_table() error: uninitialized symbol 'dvsec'.
CC: kbuild-...@lists.01.org
TO: "Kan, Liang,"
tree: yao/perf-intel-next
head: 36086096ecdcd11f5dfc73d2780537e2483ac70b
commit: 7033482bbd4f555901cbe7f5e8fbcc8a2618851f [27/113]
perf/x86/intel/uncore: Check discovery tables
:: branch date: 7 days ago
:: commit date: 7 weeks ago
config: i386-randconfig-m021-20200602 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
Reported-by: Dan Carpenter
smatch warnings:
arch/x86/events/intel/uncore.c:1600 check_discovery_table() error:
uninitialized symbol 'dvsec'.
git remote add yao git://bee.sh.intel.com/git/jinyao/linux.git
git remote update yao
git checkout 7033482bbd4f555901cbe7f5e8fbcc8a2618851f
vim +/dvsec +1600 arch/x86/events/intel/uncore.c
7033482bbd4f55 Kan Liang 2020-04-13 1586
7033482bbd4f55 Kan Liang 2020-04-13 1587 bool __init
check_discovery_table(void)
7033482bbd4f55 Kan Liang 2020-04-13 1588 {
7033482bbd4f55 Kan Liang 2020-04-13 1589 struct uncore_discovery_table
*table;
7033482bbd4f55 Kan Liang 2020-04-13 1590 struct pci_dev *dev = NULL;
7033482bbd4f55 Kan Liang 2020-04-13 1591 int dvsec, logical_die = 0;
7033482bbd4f55 Kan Liang 2020-04-13 1592 u32 val, entry_id, bir;
7033482bbd4f55 Kan Liang 2020-04-13 1593 bool ret = false;
7033482bbd4f55 Kan Liang 2020-04-13 1594
7033482bbd4f55 Kan Liang 2020-04-13 1595 /*
7033482bbd4f55 Kan Liang 2020-04-13 1596* Check the existence of
discovery table by searching all PCI devices
7033482bbd4f55 Kan Liang 2020-04-13 1597* for unique capability ID.
7033482bbd4f55 Kan Liang 2020-04-13 1598*/
7033482bbd4f55 Kan Liang 2020-04-13 1599 while ((dev =
pci_get_device(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, dev)) != NULL) {
7033482bbd4f55 Kan Liang 2020-04-13 @1600 while ((dvsec =
pci_find_next_ext_capability(dev, dvsec, UNCORE_EXT_CAP_ID_DISCOVERY))) {
7033482bbd4f55 Kan Liang 2020-04-13 1601
pci_read_config_dword(dev, dvsec + UNCORE_DISCOVERY_DVSEC_OFFSET, &val);
7033482bbd4f55 Kan Liang 2020-04-13 1602 entry_id = val
& UNCORE_DISCOVERY_DVSEC_ID_MASK;
7033482bbd4f55 Kan Liang 2020-04-13 1603 if (entry_id ==
UNCORE_DISCOVERY_DVSEC_ID_PMON) {
7033482bbd4f55 Kan Liang 2020-04-13 1604 table =
kmalloc(sizeof(struct uncore_discovery_table), GFP_KERNEL);
7033482bbd4f55 Kan Liang 2020-04-13 1605 if
(!table)
7033482bbd4f55 Kan Liang 2020-04-13 1606
continue;
7033482bbd4f55 Kan Liang 2020-04-13 1607
pci_read_config_dword(dev, dvsec + UNCORE_DISCOVERY_DVSEC2_OFFSET, &val);
7033482bbd4f55 Kan Liang 2020-04-13 1608 bir =
val & UNCORE_DISCOVERY_DVSEC2_BIR_MASK;
7033482bbd4f55 Kan Liang 2020-04-13 1609
table->domain = pci_domain_nr(dev->bus);
7033482bbd4f55 Kan Liang 2020-04-13 1610
table->bus = dev->bus->number;
7033482bbd4f55 Kan Liang 2020-04-13 1611
table->devfn = dev->devfn;
7033482bbd4f55 Kan Liang 2020-04-13 1612
table->bar_offset = 0x10 + (bir * 4);
7033482bbd4f55 Kan Liang 2020-04-13 1613
table->die = logical_die++;
7033482bbd4f55 Kan Liang 2020-04-13 1614 if
(discovery_table_pci2phy_map_init(dev, table->die)) {
7033482bbd4f55 Kan Liang 2020-04-13 1615
kfree(table);
7033482bbd4f55 Kan Liang 2020-04-13 1616
continue;
7033482bbd4f55 Kan Liang 2020-04-13 1617 }
7033482bbd4f55 Kan Liang 2020-04-13 1618
list_add_tail(&table->list, &discovery_table);
7033482bbd4f55 Kan Liang 2020-04-13 1619 ret =
true;
7033482bbd4f55 Kan Liang 2020-04-13 1620
continue;
7033482bbd4f55 Kan Liang 2020-04-13 1621 }
7033482bbd4f55 Kan Liang 2020-04-13 1622 }
7033482bbd4f55 Kan Liang 2020-04-13 1623 }
7033482bbd4f55 Kan Liang 2020-04-13 1624 pci_dev_put(dev);
7033482bbd4f55 Kan Liang 2020-04-13 1625
7033482bbd4f55 Kan Liang 2020-04-13 1626
fill_up_pbus_to_physid_mapping(true);
7033482bbd4f55 Kan Liang 2020-04-13 1627
7033482bbd4f55 Kan Liang 2020-04-13 1628 return ret;
7033482bbd4f55 Kan Liang 2020-04-13 1629 }
7033482bbd4f55 Kan Liang 2020-04-13 1630
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
___
kbuild mailing list -- kbuild@lists.01.org
To unsubscribe send an email to kbuild
[kbuild] kernel/bpf/cgroup.c:455 __cgroup_bpf_attach() error: we previously assumed 'link' could be null (see line 430)
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Andrii, Nakryiko,"
CC: Alexei Starovoitov
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: f359287765c04711ff54fbd11645271d8e5ff763
commit: af6eea57437a830293eab56246b6025cc7d46ee7 bpf: Implement bpf_link-based
cgroup BPF program attachment
date: 9 weeks ago
:: branch date: 4 hours ago
:: commit date: 9 weeks ago
config: i386-randconfig-m021-20200602 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
Reported-by: Dan Carpenter
smatch warnings:
kernel/bpf/cgroup.c:455 __cgroup_bpf_attach() error: we previously assumed
'link' could be null (see line 430)
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=af6eea57437a830293eab56246b6025cc7d46ee7
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout af6eea57437a830293eab56246b6025cc7d46ee7
vim +/link +455 kernel/bpf/cgroup.c
af6eea57437a83 Andrii Nakryiko2020-03-29 399
3007098494bec6 Daniel Mack2016-11-23 400 /**
af6eea57437a83 Andrii Nakryiko2020-03-29 401 * __cgroup_bpf_attach() -
Attach the program or the link to a cgroup, and
3007098494bec6 Daniel Mack2016-11-23 402 *
propagate the change to descendants
3007098494bec6 Daniel Mack2016-11-23 403 * @cgrp: The cgroup which
descendants to traverse
324bda9e6c5add Alexei Starovoitov 2017-10-02 404 * @prog: A program to attach
af6eea57437a83 Andrii Nakryiko2020-03-29 405 * @link: A link to attach
7dd68b3279f179 Andrey Ignatov 2019-12-18 406 * @replace_prog: Previously
attached program to replace if BPF_F_REPLACE is set
324bda9e6c5add Alexei Starovoitov 2017-10-02 407 * @type: Type of attach
operation
1832f4ef5867fd Valdis Kletnieks 2019-01-29 408 * @flags: Option flags
3007098494bec6 Daniel Mack2016-11-23 409 *
af6eea57437a83 Andrii Nakryiko2020-03-29 410 * Exactly one of @prog or
@link can be non-null.
3007098494bec6 Daniel Mack2016-11-23 411 * Must be called with
cgroup_mutex held.
3007098494bec6 Daniel Mack2016-11-23 412 */
af6eea57437a83 Andrii Nakryiko2020-03-29 413 int
__cgroup_bpf_attach(struct cgroup *cgrp,
af6eea57437a83 Andrii Nakryiko2020-03-29 414 struct
bpf_prog *prog, struct bpf_prog *replace_prog,
af6eea57437a83 Andrii Nakryiko2020-03-29 415 struct
bpf_cgroup_link *link,
324bda9e6c5add Alexei Starovoitov 2017-10-02 416 enum
bpf_attach_type type, u32 flags)
3007098494bec6 Daniel Mack2016-11-23 417 {
7dd68b3279f179 Andrey Ignatov 2019-12-18 418 u32 saved_flags =
(flags & (BPF_F_ALLOW_OVERRIDE | BPF_F_ALLOW_MULTI));
324bda9e6c5add Alexei Starovoitov 2017-10-02 419 struct list_head *progs
= &cgrp->bpf.progs[type];
324bda9e6c5add Alexei Starovoitov 2017-10-02 420 struct bpf_prog
*old_prog = NULL;
8bad74f9840f87 Roman Gushchin 2018-09-28 421 struct
bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE],
8bad74f9840f87 Roman Gushchin 2018-09-28 422
*old_storage[MAX_BPF_CGROUP_STORAGE_TYPE] = {NULL};
af6eea57437a83 Andrii Nakryiko2020-03-29 423 struct bpf_prog_list
*pl;
324bda9e6c5add Alexei Starovoitov 2017-10-02 424 int err;
324bda9e6c5add Alexei Starovoitov 2017-10-02 425
7dd68b3279f179 Andrey Ignatov 2019-12-18 426 if (((flags &
BPF_F_ALLOW_OVERRIDE) && (flags & BPF_F_ALLOW_MULTI)) ||
7dd68b3279f179 Andrey Ignatov 2019-12-18 427 ((flags &
BPF_F_REPLACE) && !(flags & BPF_F_ALLOW_MULTI)))
324bda9e6c5add Alexei Starovoitov 2017-10-02 428 /* invalid
combination */
324bda9e6c5add Alexei Starovoitov 2017-10-02 429 return -EINVAL;
af6eea57437a83 Andrii Nakryiko2020-03-29 @430 if (link && (prog ||
replace_prog))
af6eea57437a83 Andrii Nakryiko2020-03-29 431 /* only either
link or prog/replace_prog can be specified */
af6eea57437a83 Andrii Nakryiko2020-03-29 432 return -EINVAL;
af6eea57437a83 Andrii Nakryiko2020-03-29 433 if (!!replace_prog !=
!!(flags & BPF_F_REPLACE))
af6eea57437a83 Andrii Nakryiko2020-03-29 434 /* replace_prog
implies BPF_F_REPLACE, and vice versa */
af6eea57437a83 Andrii Nakryiko2020-03-29 435 return -EINVAL;
324bda9e6c5add Alexei Starovoitov 2017-10-02 436
9fab329d6a04c0 Andrey Ignatov 2019-12-18 437 if
(!hierarchy_allows_attach(cgrp, type))
7f677633379b4a Alexei Starovoitov 2017-02-10 438 return -EPERM;
7f677633379b4a Alexei Starovoitov 2017-02-10 439
7dd68b3279f179 Andrey Ignatov 2019-12-18 440 if (!list_empty(progs)
&& cgrp->bpf.flags[type] !
[kbuild] [linux-next:master 6222/14131] drivers/usb/chipidea/udc.c:477:26: sparse: sparse: bad assignment (+=) to restricted __le32
CC: kbuild-...@lists.01.org TO: "Peter, Chen," CC: Jun Li tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c commit: e48aa1eb443f80fc6953734c805add4fb694b835 [6222/14131] usb: chipidea: udc: add software sg list support :: branch date: 4 days ago :: commit date: 4 weeks ago config: nios2-randconfig-s032-20200602 (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-243-gc100a7ab-dirty git checkout e48aa1eb443f80fc6953734c805add4fb694b835 # save the attached .config to linux build tree make W=1 C=1 ARCH=nios2 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) >> drivers/usb/chipidea/udc.c:477:26: sparse: sparse: bad assignment (+=) to >> restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:225:22: sparse: got restricted __le32 [usertype] include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:225:22: sparse: got restricted __le32 [usertype] include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:225:22: sparse: got restricted __le32 [usertype] include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:225:22: sparse: got restricted __le32 [usertype] include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:225:22: sparse: got restricted __le32 [usertype] include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:225:22: sparse: got restricted __le32 [usertype] include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:225:22: sparse: got restricted __le32 [usertype] include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:179:15: sparse: sparse: cast to restricted __le32 include/asm-generic/io.h:225:22: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] value @@ got restricted __le32 [usertype] @@ include/asm-generic/io.h:225:22: sparse: expected unsigned int [usertype] value include/asm-generic/io.h:225:22: sparse: got restricted __le32 [userty
[kbuild] drivers/net/macsec.c:430:22: sparse: expected restricted ssci_t [usertype] ssci
CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: "Era, Mayflower," tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f359287765c04711ff54fbd11645271d8e5ff763 commit: a21ecf0e033807b976967286e6c392f48ee2049f macsec: Support XPN frame handling - IEEE 802.1AEbw date: 3 months ago :: branch date: 3 hours ago :: commit date: 3 months ago config: nios2-randconfig-s032-20200602 (attached as .config) compiler: nios2-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-243-gc100a7ab-dirty git checkout a21ecf0e033807b976967286e6c392f48ee2049f # save the attached .config to linux build tree make W=1 C=1 ARCH=nios2 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) drivers/net/macsec.c:430:24: sparse: sparse: restricted ssci_t degrades to integer drivers/net/macsec.c:430:22: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted ssci_t [usertype] ssci @@ got unsigned int @@ >> drivers/net/macsec.c:430:22: sparse: expected restricted ssci_t >> [usertype] ssci >> drivers/net/macsec.c:430:22: sparse: got unsigned int drivers/net/macsec.c:431:22: sparse: sparse: restricted __be64 degrades to integer drivers/net/macsec.c:431:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be64 [usertype] pn @@ got unsigned long long @@ >> drivers/net/macsec.c:431:20: sparse: expected restricted __be64 >> [usertype] pn >> drivers/net/macsec.c:431:20: sparse: got unsigned long long arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: undefined identifier '__builtin_rdctl' arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: undefined identifier '__builtin_wrctl' arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:12:16: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9: sparse: sparse: not a function arch/nios2/include/asm/irqflags.h:21:9:
[kbuild] [lkundrak-linux-mmp:lr/mmp3-thermal-v1 2/2] drivers/thermal/mmp3_thermal.c:65:3-9: preceding lock on line 59
CC: kbuild-...@lists.01.org
TO: "Lubomir, Rintel,"
tree: git://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp.git
lr/mmp3-thermal-v1
head: 17256e30675ba9df02daa0722a6f1d35996322fe
commit: 17256e30675ba9df02daa0722a6f1d35996322fe [2/2] thermal driver
:: branch date: 6 weeks ago
:: commit date: 6 weeks ago
config: arm-randconfig-c003-20200602 (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
Reported-by: Julia Lawall
coccinelle warnings: (new ones prefixed by >>)
>> drivers/thermal/mmp3_thermal.c:65:3-9: preceding lock on line 59
#
https://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp.git/commit/?id=17256e30675ba9df02daa0722a6f1d35996322fe
git remote add lkundrak-linux-mmp
git://git.kernel.org/pub/scm/linux/kernel/git/lkundrak/linux-mmp.git
git remote update lkundrak-linux-mmp
git checkout 17256e30675ba9df02daa0722a6f1d35996322fe
vim +65 drivers/thermal/mmp3_thermal.c
17256e30675ba9 Lubomir Rintel 2019-08-12 52
17256e30675ba9 Lubomir Rintel 2019-08-12 53 static unsigned long
read_temperature_sensor(struct mmp3_thermal *priv, int range, int index)
17256e30675ba9 Lubomir Rintel 2019-08-12 54 {
17256e30675ba9 Lubomir Rintel 2019-08-12 55 int i, j, gray;
17256e30675ba9 Lubomir Rintel 2019-08-12 56 unsigned long temp;
17256e30675ba9 Lubomir Rintel 2019-08-12 57 u32 val;
17256e30675ba9 Lubomir Rintel 2019-08-12 58
17256e30675ba9 Lubomir Rintel 2019-08-12 @59
mutex_lock(&mmp3_thermal_sensor_mutex);
17256e30675ba9 Lubomir Rintel 2019-08-12 60
17256e30675ba9 Lubomir Rintel 2019-08-12 61 val = readl(priv->regs + index);
17256e30675ba9 Lubomir Rintel 2019-08-12 62
17256e30675ba9 Lubomir Rintel 2019-08-12 63 if (val & TEMP_EN_WDOG) {
17256e30675ba9 Lubomir Rintel 2019-08-12 64 if ((range == HIRANGE)
== ((val & TEMP_LOWRANGE) == 0))
17256e30675ba9 Lubomir Rintel 2019-08-12 @65 return 0;
17256e30675ba9 Lubomir Rintel 2019-08-12 66 }
17256e30675ba9 Lubomir Rintel 2019-08-12 67
17256e30675ba9 Lubomir Rintel 2019-08-12 68 if (range == HIRANGE) {
17256e30675ba9 Lubomir Rintel 2019-08-12 69 val &= ~TEMP_LOWRANGE;
17256e30675ba9 Lubomir Rintel 2019-08-12 70 } else {
17256e30675ba9 Lubomir Rintel 2019-08-12 71 val |= TEMP_LOWRANGE;
17256e30675ba9 Lubomir Rintel 2019-08-12 72 }
17256e30675ba9 Lubomir Rintel 2019-08-12 73
17256e30675ba9 Lubomir Rintel 2019-08-12 74 val &= ~TEMP_START;
17256e30675ba9 Lubomir Rintel 2019-08-12 75 writel(val, priv->regs + index);
17256e30675ba9 Lubomir Rintel 2019-08-12 76 usleep_range(300, 1000);
17256e30675ba9 Lubomir Rintel 2019-08-12 77
17256e30675ba9 Lubomir Rintel 2019-08-12 78 for (i = 0; i < 10; i++) {
17256e30675ba9 Lubomir Rintel 2019-08-12 79 writel(val |
TEMP_START, priv->regs + index);
17256e30675ba9 Lubomir Rintel 2019-08-12 80 for (j = 0; j < 10;
j++) {
17256e30675ba9 Lubomir Rintel 2019-08-12 81
usleep_range(300, 1000);
17256e30675ba9 Lubomir Rintel 2019-08-12 82 if
(readl(priv->regs + index) & TEMP_STATUS)
17256e30675ba9 Lubomir Rintel 2019-08-12 83 goto
done;
17256e30675ba9 Lubomir Rintel 2019-08-12 84 }
17256e30675ba9 Lubomir Rintel 2019-08-12 85 usleep_range(300, 1000);
17256e30675ba9 Lubomir Rintel 2019-08-12 86 writel(val, priv->regs
+ index);
17256e30675ba9 Lubomir Rintel 2019-08-12 87 }
17256e30675ba9 Lubomir Rintel 2019-08-12 88 done:
17256e30675ba9 Lubomir Rintel 2019-08-12 89
17256e30675ba9 Lubomir Rintel 2019-08-12 90 if (i == 10) {
17256e30675ba9 Lubomir Rintel 2019-08-12 91 printk(KERN_ERR
"mmp3_thermal: timeout reading sensor %d, range %d\n",
17256e30675ba9 Lubomir Rintel 2019-08-12 92 index, range);
17256e30675ba9 Lubomir Rintel 2019-08-12 93 writel(val, priv->regs
+ index);
17256e30675ba9 Lubomir Rintel 2019-08-12 94 temp = 0; // filtering
may fix this
17256e30675ba9 Lubomir Rintel 2019-08-12 95 } else {
17256e30675ba9 Lubomir Rintel 2019-08-12 96 gray = readl(priv->regs
+ index) & TEMP_TEMP_VALUE_MASK;
17256e30675ba9 Lubomir Rintel 2019-08-12 97 temp =
gray_to_temp[range][gray];
17256e30675ba9 Lubomir Rintel 2019-08-12 98 }
17256e30675ba9 Lubomir Rintel 2019-08-12 99
17256e30675ba9 Lubomir Rintel 2019-08-12 100
mutex_unlock(&mmp3_thermal_sensor_mutex);
17256e30675ba9 Lubomir Rintel 2019-08-12 101
17256e30675ba9 Lubomir Rintel 2019-08-12 102 return temp;// return value
is tenths, C
17256e30675ba9 Lubomir Rintel 2019-08-12 103 }
17256e30675ba9 Lubomir Rintel 2019-08-12 104
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Descr
[kbuild] [mips-linux:mips-next 58/143] arch/mips/include/asm/fpu.h:79 __enable_fpu() warn: ignoring unreachable code.
CC: kbuild-...@lists.01.org
CC: linux-m...@linux-mips.org
TO: "Liangliang, Huang,"
CC: Thomas Bogendoerfer
CC: Liangliang Huang
CC: Huacai Chen
tree: https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git mips-next
head: 9bd0bd264578fe191bf5d2ff23f9887b91862536
commit: c9b0299034665d594e56ee343f28033d1b24de6d [58/143] MIPS: Use fallthrough
for arch/mips
:: branch date: 34 hours ago
:: commit date: 4 weeks ago
config: mips-randconfig-m031-20200601 (attached as .config)
compiler: mipsel-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
Reported-by: Dan Carpenter
New smatch warnings:
arch/mips/include/asm/fpu.h:79 __enable_fpu() warn: ignoring unreachable code.
arch/mips/include/asm/fpu.h:79 __enable_fpu() warn: ignoring unreachable code.
Old smatch warnings:
arch/mips/kernel/traps.c:1914 nmi_exception_handler() warn: ignoring
unreachable code.
#
https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git/commit/?id=c9b0299034665d594e56ee343f28033d1b24de6d
git remote add mips-linux
https://git.kernel.org/pub/scm/linux/kernel/git/mips/linux.git
git remote update mips-linux
git checkout c9b0299034665d594e56ee343f28033d1b24de6d
vim +79 arch/mips/include/asm/fpu.h
84ab45b33858a8 arch/mips/include/asm/fpu.h Paul Burton 2015-01-30 53
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 54
static inline int __enable_fpu(enum fpu_mode mode)
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 55 {
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 56
int fr;
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 57
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 58
switch (mode) {
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 59
case FPU_AS_IS:
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 60
/* just enable the FPU in its current mode */
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 61
set_c0_status(ST0_CU1);
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 62
enable_fpu_hazard();
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 63
return 0;
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 64
4227a2d4efc9c8 arch/mips/include/asm/fpu.h Paul Burton 2014-09-11 65
case FPU_HYBRID:
4227a2d4efc9c8 arch/mips/include/asm/fpu.h Paul Burton 2014-09-11 66
if (!cpu_has_fre)
4227a2d4efc9c8 arch/mips/include/asm/fpu.h Paul Burton 2014-09-11 67
return SIGFPE;
4227a2d4efc9c8 arch/mips/include/asm/fpu.h Paul Burton 2014-09-11 68
4227a2d4efc9c8 arch/mips/include/asm/fpu.h Paul Burton 2014-09-11 69
/* set FRE */
d33e6fe3ca7410 arch/mips/include/asm/fpu.h Ralf Baechle 2014-12-17 70
set_c0_config5(MIPS_CONF5_FRE);
4227a2d4efc9c8 arch/mips/include/asm/fpu.h Paul Burton 2014-09-11 71
goto fr_common;
4227a2d4efc9c8 arch/mips/include/asm/fpu.h Paul Burton 2014-09-11 72
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 73
case FPU_64BIT:
fcc53b5f6c38ac arch/mips/include/asm/fpu.h Markos Chandras 2015-07-16 74
#if !(defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6) \
6134d94923d035 arch/mips/include/asm/fpu.h Markos Chandras 2015-01-30 75
|| defined(CONFIG_64BIT))
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 76
/* we only have a 32-bit FPU */
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 77
return SIGFPE;
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 78
#endif
c9b0299034665d arch/mips/include/asm/fpu.h Liangliang Huang 2020-05-04 @79
fallthrough;
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 80
case FPU_32BIT:
b0c34f6155e2d8 arch/mips/include/asm/fpu.h Ralf Baechle 2014-12-17 81
if (cpu_has_fre) {
4227a2d4efc9c8 arch/mips/include/asm/fpu.h Paul Burton 2014-09-11 82
/* clear FRE */
d33e6fe3ca7410 arch/mips/include/asm/fpu.h Ralf Baechle 2014-12-17 83
clear_c0_config5(MIPS_CONF5_FRE);
b0c34f6155e2d8 arch/mips/include/asm/fpu.h Ralf Baechle 2014-12-17 84
}
4227a2d4efc9c8 arch/mips/include/asm/fpu.h Paul Burton 2014-09-11 85
fr_common:
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton 2013-11-22 86
/* set CU1 & change FR appropriately */
4227a2d4efc9c8 arch/mips/include/asm/fpu.h Paul Burton 2014-09-11 87
fr = (int)mode & FPU_FR_MASK;
597ce1723e0fa0 arch/mips/include/asm/fpu.h Paul Burton
[kbuild] [linux-stable-rc:linux-4.19.y 6643/9999] kernel/sched/cpufreq.c:79:18: sparse: struct update_util_data [noderef] *
CC: kbuild-...@lists.01.org
TO: "Rafael, J., Wysocki,"
CC: "Greg Kroah-Hartman"
tree:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
linux-4.19.y
head: 47f49ba00628e7ce16eda75304e947f7ddb149d1
commit: e82f0540a020da549702e042bbfbe633d6175ac1 [6643/] cpufreq: Avoid
leaving stale IRQ work items during CPU offline
:: branch date: 4 hours ago
:: commit date: 5 months ago
config: i386-randconfig-s001-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout e82f0540a020da549702e042bbfbe633d6175ac1
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
kernel/sched/cpufreq.c:79:18: sparse: sparse: incompatible types in
comparison expression (different address spaces):
>> kernel/sched/cpufreq.c:79:18: sparse:struct update_util_data [noderef]
>> *
>> kernel/sched/cpufreq.c:79:18: sparse:struct update_util_data *
#
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=e82f0540a020da549702e042bbfbe633d6175ac1
git remote add linux-stable-rc
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git
git remote update linux-stable-rc
git checkout e82f0540a020da549702e042bbfbe633d6175ac1
vim +79 kernel/sched/cpufreq.c
e82f0540a020da Rafael J. Wysocki 2019-12-11 65
e82f0540a020da Rafael J. Wysocki 2019-12-11 66 /**
e82f0540a020da Rafael J. Wysocki 2019-12-11 67 * cpufreq_this_cpu_can_update
- Check if cpufreq policy can be updated.
e82f0540a020da Rafael J. Wysocki 2019-12-11 68 * @policy: cpufreq policy to
check.
e82f0540a020da Rafael J. Wysocki 2019-12-11 69 *
e82f0540a020da Rafael J. Wysocki 2019-12-11 70 * Return 'true' if:
e82f0540a020da Rafael J. Wysocki 2019-12-11 71 * - the local and remote CPUs
share @policy,
e82f0540a020da Rafael J. Wysocki 2019-12-11 72 * -
dvfs_possible_from_any_cpu is set in @policy and the local CPU is not going
e82f0540a020da Rafael J. Wysocki 2019-12-11 73 * offline (in which case it
is not expected to run cpufreq updates any more).
e82f0540a020da Rafael J. Wysocki 2019-12-11 74 */
e82f0540a020da Rafael J. Wysocki 2019-12-11 75 bool
cpufreq_this_cpu_can_update(struct cpufreq_policy *policy)
e82f0540a020da Rafael J. Wysocki 2019-12-11 76 {
e82f0540a020da Rafael J. Wysocki 2019-12-11 77 return
cpumask_test_cpu(smp_processor_id(), policy->cpus) ||
e82f0540a020da Rafael J. Wysocki 2019-12-11 78
(policy->dvfs_possible_from_any_cpu &&
e82f0540a020da Rafael J. Wysocki 2019-12-11 @79
rcu_dereference_sched(*this_cpu_ptr(&cpufreq_update_util_data)));
---
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[kbuild] kernel/trace/ftrace.c:7171 pid_open() error: uninitialized symbol 'seq_ops'.
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Steven, Rostedt, (VMware),"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 9bf9511e3d9f328c03f6f79bfb741c3d18f2f2c0
commit: b3b1e6ededa4337940adba6cf06e8351056e3097 ftrace: Create
set_ftrace_notrace_pid to not trace tasks
date: 9 weeks ago
:: branch date: 70 minutes ago
:: commit date: 9 weeks ago
config: mips-randconfig-m031-20200601 (attached as .config)
compiler: mipsel-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
Reported-by: Dan Carpenter
smatch warnings:
kernel/trace/ftrace.c:7171 pid_open() error: uninitialized symbol 'seq_ops'.
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b3b1e6ededa4337940adba6cf06e8351056e3097
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout b3b1e6ededa4337940adba6cf06e8351056e3097
vim +/seq_ops +7171 kernel/trace/ftrace.c
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 7146)
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 7147) static int
pid_open(struct inode *inode, struct file *file, int type)
756d17ee7ee4fbc jo...@redhat.com 2009-10-13 7148 {
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 7149) const struct
seq_operations *seq_ops;
345ddcc882d8896 Steven Rostedt (Red Hat 2016-04-22 7150) struct
trace_array *tr = inode->i_private;
345ddcc882d8896 Steven Rostedt (Red Hat 2016-04-22 7151) struct seq_file
*m;
756d17ee7ee4fbc jo...@redhat.com 2009-10-13 7152 int ret = 0;
756d17ee7ee4fbc jo...@redhat.com 2009-10-13 7153
8530dec63e7b486 Steven Rostedt (VMware 2019-10-11 7154) ret =
tracing_check_open_get_tr(tr);
8530dec63e7b486 Steven Rostedt (VMware 2019-10-11 7155) if (ret)
8530dec63e7b486 Steven Rostedt (VMware 2019-10-11 7156) return
ret;
345ddcc882d8896 Steven Rostedt (Red Hat 2016-04-22 7157)
756d17ee7ee4fbc jo...@redhat.com 2009-10-13 7158 if
((file->f_mode & FMODE_WRITE) &&
756d17ee7ee4fbc jo...@redhat.com 2009-10-13 7159
(file->f_flags & O_TRUNC))
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 7160)
ftrace_pid_reset(tr, type);
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 7161)
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 7162) switch (type) {
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 7163) case TRACE_PIDS:
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 7164) seq_ops
= &ftrace_pid_sops;
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 7165) break;
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 7166) case
TRACE_NO_PIDS:
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 7167) seq_ops
= &ftrace_no_pid_sops;
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 7168) break;
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 7169) }
756d17ee7ee4fbc jo...@redhat.com 2009-10-13 7170
b3b1e6ededa4337 Steven Rostedt (VMware 2020-03-19 @7171) ret =
seq_open(file, seq_ops);
345ddcc882d8896 Steven Rostedt (Red Hat 2016-04-22 7172) if (ret < 0) {
345ddcc882d8896 Steven Rostedt (Red Hat 2016-04-22 7173)
trace_array_put(tr);
345ddcc882d8896 Steven Rostedt (Red Hat 2016-04-22 7174) } else {
345ddcc882d8896 Steven Rostedt (Red Hat 2016-04-22 7175) m =
file->private_data;
345ddcc882d8896 Steven Rostedt (Red Hat 2016-04-22 7176) /* copy
tr over to seq ops */
345ddcc882d8896 Steven Rostedt (Red Hat 2016-04-22 7177)
m->private = tr;
345ddcc882d8896 Steven Rostedt (Red Hat 2016-04-22 7178) }
756d17ee7ee4fbc jo...@redhat.com 2009-10-13 7179
756d17ee7ee4fbc jo...@redhat.com 2009-10-13 7180 return ret;
756d17ee7ee4fbc jo...@redhat.com 2009-10-13 7181 }
756d17ee7ee4fbc jo...@redhat.com 2009-10-13 7182
---
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[kbuild] [linux-next:master 5169/14131] drivers/firmware/efi/libstub/efi-stub-helper.c:390:44: sparse: expected unsigned short const [usertype] *optstr
CC: kbuild-...@lists.01.org
TO: "Arvind, Sankar,"
CC: Ard Biesheuvel
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: f61900fd0ebf6c6b91719d63272a54f4d11051df [5169/14131] efi/libstub:
Unify initrd loading across architectures
:: branch date: 3 days ago
:: commit date: 5 weeks ago
config: i386-randconfig-s031-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout f61900fd0ebf6c6b91719d63272a54f4d11051df
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
drivers/firmware/efi/libstub/efi-stub-helper.c:390:44: sparse: sparse:
incorrect type in argument 2 (different type sizes) @@ expected unsigned
short const [usertype] *optstr @@ got char * @@
>> drivers/firmware/efi/libstub/efi-stub-helper.c:390:44: sparse: expected
>> unsigned short const [usertype] *optstr
>> drivers/firmware/efi/libstub/efi-stub-helper.c:390:44: sparse: got char *
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f61900fd0ebf6c6b91719d63272a54f4d11051df
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout f61900fd0ebf6c6b91719d63272a54f4d11051df
vim +390 drivers/firmware/efi/libstub/efi-stub-helper.c
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 376
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 377 static
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 378 efi_status_t
efi_load_initrd_cmdline(efi_loaded_image_t *image,
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 379
unsigned long *load_addr,
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 380
unsigned long *load_size,
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 381
unsigned long soft_limit,
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 382
unsigned long hard_limit)
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 383 {
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 384 if
(!IS_ENABLED(CONFIG_EFI_GENERIC_STUB_INITRD_CMDLINE_LOADER) ||
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 385 (IS_ENABLED(CONFIG_X86) &&
(!efi_is_native() || image == NULL))) {
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 386 *load_addr = *load_size
= 0;
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 387 return EFI_SUCCESS;
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 388 }
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 389
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 @390 return
handle_cmdline_files(image, L"initrd=", sizeof(L"initrd=") - 2,
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 391
soft_limit, hard_limit,
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 392
load_addr, load_size);
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 393 }
f61900fd0ebf6c6 Arvind Sankar 2020-04-30 394
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[kbuild] drivers/most/core.c:1287 most_register_interface() error: we previously assumed 'iface' could be null (see line 1285)
Hi Christian,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
commit: b276527539188f1f61c082ebef27803db93e536d staging: most: move core files
out of the staging area
date: 10 weeks ago
config: mips-randconfig-m031-20200601 (attached as .config)
compiler: mipsel-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
Reported-by: Dan Carpenter
smatch warnings:
drivers/most/core.c:1287 most_register_interface() error: we previously assumed
'iface' could be null (see line 1285)
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b276527539188f1f61c082ebef27803db93e536d
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout b276527539188f1f61c082ebef27803db93e536d
vim +/iface +1287 drivers/most/core.c
4d5f022f3a664e drivers/staging/most/core.c Christian Gromm
2017-11-21 1279 int most_register_interface(struct most_interface *iface)
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1280 {
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1281unsigned int i;
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1282int id;
fcb7fad82e23f6 drivers/staging/most/core.c Christian Gromm
2017-11-21 1283struct most_channel *c;
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1284
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 @1285if (!iface || !iface->enqueue || !iface->configure ||
^^
Check for NULL.
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1286!iface->poison_channel || (iface->num_channels >
MAX_CHANNELS)) {
6a82c775812944 drivers/staging/most/core.c Christian Gromm
2020-01-23 @1287dev_err(iface->dev, "Bad interface or channel
overflow\n");
^^
Dereference. "iface" can't be NULL. Just delete the check.
4d5f022f3a664e drivers/staging/most/core.c Christian Gromm
2017-11-21 1288return -EINVAL;
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1289}
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1290
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1291id = ida_simple_get(&mdev_id, 0, 0, GFP_KERNEL);
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1292if (id < 0) {
b7935e52dd9869 drivers/staging/most/core.c Christian Gromm
2020-01-23 1293dev_err(iface->dev, "Failed to allocate device
ID\n");
4d5f022f3a664e drivers/staging/most/core.c Christian Gromm
2017-11-21 1294return id;
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1295}
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1296
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[kbuild] drivers/most/core.c:1287 most_register_interface() error: we previously assumed 'iface' could be null (see line 1285)
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Christian, Gromm,"
CC: "Greg Kroah-Hartman"
Hi Christian,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
commit: b276527539188f1f61c082ebef27803db93e536d staging: most: move core files
out of the staging area
date: 10 weeks ago
:: branch date: 19 hours ago
:: commit date: 10 weeks ago
config: mips-randconfig-m031-20200601 (attached as .config)
compiler: mipsel-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
Reported-by: Dan Carpenter
smatch warnings:
drivers/most/core.c:1287 most_register_interface() error: we previously assumed
'iface' could be null (see line 1285)
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b276527539188f1f61c082ebef27803db93e536d
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout b276527539188f1f61c082ebef27803db93e536d
vim +/iface +1287 drivers/most/core.c
4d5f022f3a664e drivers/staging/most/core.c Christian Gromm
2017-11-21 1271
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1272 /**
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1273 * most_register_interface - registers an interface with core
b7937dc41362f7 drivers/staging/most/core.c Christian Gromm
2017-11-21 1274 * @iface: device interface
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1275 *
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1276 * Allocates and initializes a new interface instance and all
of its channels.
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1277 * Returns a pointer to kobject or an error pointer.
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1278 */
4d5f022f3a664e drivers/staging/most/core.c Christian Gromm
2017-11-21 1279 int most_register_interface(struct most_interface *iface)
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1280 {
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1281unsigned int i;
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1282int id;
fcb7fad82e23f6 drivers/staging/most/core.c Christian Gromm
2017-11-21 1283struct most_channel *c;
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1284
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 @1285if (!iface || !iface->enqueue || !iface->configure ||
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1286!iface->poison_channel || (iface->num_channels >
MAX_CHANNELS)) {
6a82c775812944 drivers/staging/most/core.c Christian Gromm
2020-01-23 @1287dev_err(iface->dev, "Bad interface or channel
overflow\n");
4d5f022f3a664e drivers/staging/most/core.c Christian Gromm
2017-11-21 1288return -EINVAL;
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1289}
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1290
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1291id = ida_simple_get(&mdev_id, 0, 0, GFP_KERNEL);
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1292if (id < 0) {
b7935e52dd9869 drivers/staging/most/core.c Christian Gromm
2020-01-23 1293dev_err(iface->dev, "Failed to allocate device
ID\n");
4d5f022f3a664e drivers/staging/most/core.c Christian Gromm
2017-11-21 1294return id;
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1295}
57562a72414ca3 drivers/staging/most/mostcore/core.c Christian Gromm
2015-07-24 1296
9136fccf38a7aa drivers/staging/most/core.c Christian Gromm
2017-11-21 1297iface->p = kzalloc(sizeof(*iface->p), GFP_KERNEL);
9136fccf38a7aa drivers/staging/most/core.c Christian Gromm
2017-11-21 1298if (!iface->p) {
b7382d44a530cd drivers/staging/most/mostcore/core.c Christian Gromm
2015-12-22 1299ida_simple_remove(&mdev_id, id);
4d5f022f3a664e drivers/staging/most/core.c Christian Gromm
2017-11-21 1300return -ENOMEM;
57562a72414ca3 drivers/staging/most/mostcor
[kbuild] [rdma:wip/jgg-for-next 81/231] drivers/infiniband/core/cm.c:2043:12: sparse: sparse: context imbalance in 'cm_req_handler' - different lock contexts for basic block
CC: kbuild-...@lists.01.org
CC: Doug Ledford
CC: Jason Gunthorpe
CC: linux-r...@vger.kernel.org
TO: "Jason, Gunthorpe,"
CC: Leon Romanovsky
tree: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git
wip/jgg-for-next
head: 70ae395550333607bda245db5270211b6ef8ab00
commit: e83f195aa45c1ffd73b3a950a887e41c260cf194 [81/231] RDMA/cm: Pull
duplicated code into cm_queue_work_unlock()
:: branch date: 2 hours ago
:: commit date: 3 weeks ago
config: microblaze-randconfig-s032-20200601 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout e83f195aa45c1ffd73b3a950a887e41c260cf194
# save the attached .config to linux build tree
make W=1 C=1 ARCH=microblaze CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
include/linux/byteorder/big_endian.h:8:2: sparse: sparse: inconsistent
configuration, needs CONFIG_CPU_BIG_ENDIAN
drivers/infiniband/core/cm.c:1297:21: sparse: sparse: cast from restricted
__be32
drivers/infiniband/core/cm.c:936:24: sparse: sparse: context imbalance in
'cm_queue_work_unlock' - unexpected unlock
>> drivers/infiniband/core/cm.c:2043:12: sparse: sparse: context imbalance in
>> 'cm_req_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:2422:12: sparse: sparse: context imbalance in
'cm_rep_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:2533:12: sparse: sparse: context imbalance in
'cm_establish_handler' - different lock contexts for basic block
>> drivers/infiniband/core/cm.c:2556:12: sparse: sparse: context imbalance in
>> 'cm_rtu_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:2770:12: sparse: sparse: context imbalance in
'cm_dreq_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:2847:12: sparse: sparse: context imbalance in
'cm_drep_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:2995:12: sparse: sparse: context imbalance in
'cm_rej_handler' - wrong count at exit
drivers/infiniband/core/cm.c:3153:12: sparse: sparse: context imbalance in
'cm_mra_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:3271:12: sparse: sparse: context imbalance in
'cm_lap_handler' - different lock contexts for basic block
>> drivers/infiniband/core/cm.c:3360:12: sparse: sparse: context imbalance in
>> 'cm_apr_handler' - different lock contexts for basic block
>> drivers/infiniband/core/cm.c:3405:12: sparse: sparse: context imbalance in
>> 'cm_timewait_handler' - different lock contexts for basic block
#
https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/commit/?id=e83f195aa45c1ffd73b3a950a887e41c260cf194
git remote add rdma
https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git
git remote update rdma
git checkout e83f195aa45c1ffd73b3a950a887e41c260cf194
vim +/cm_req_handler +2043 drivers/infiniband/core/cm.c
3971c9f6dbf26f Sean Hefty 2007-12-10 2042
a977049dacdef6 Hal Rosenstock 2005-07-27 @2043 static int
cm_req_handler(struct cm_work *work)
a977049dacdef6 Hal Rosenstock 2005-07-27 2044 {
a977049dacdef6 Hal Rosenstock 2005-07-27 2045 struct
cm_id_private *cm_id_priv, *listen_cm_id_priv;
a977049dacdef6 Hal Rosenstock 2005-07-27 2046 struct
cm_req_msg *req_msg;
d8966fcd4c2570 Dasaratharaman Chandramouli 2017-04-29 2047 const struct
ib_global_route *grh;
a8872d53e9b7fc Parav Pandit2018-06-19 2048 const struct
ib_gid_attr *gid_attr;
a977049dacdef6 Hal Rosenstock 2005-07-27 2049 int ret;
a977049dacdef6 Hal Rosenstock 2005-07-27 2050
a977049dacdef6 Hal Rosenstock 2005-07-27 2051 req_msg =
(struct cm_req_msg *)work->mad_recv_wc->recv_buf.mad;
a977049dacdef6 Hal Rosenstock 2005-07-27 2052
c206f8bad15d30 Jason Gunthorpe 2020-03-10 2053 cm_id_priv =
c206f8bad15d30 Jason Gunthorpe 2020-03-10 2054
cm_alloc_id_priv(work->port->cm_dev->ib_device, NULL, NULL);
c206f8bad15d30 Jason Gunthorpe 2020-03-10 2055 if
(IS_ERR(cm_id_priv))
c206f8bad15d30 Jason Gunthorpe 2020-03-10 2056 return
PTR_ERR(cm_id_priv);
a977049dacdef6 Hal Rosenstock 2005-07-27 2057
91b60a7128d962 Jason Gunthorpe 2020-01-16 2058
cm_id_priv->id.remote_id =
91b60a7128d962 Jason Gunthorpe 2020-01-16 2059
[kbuild] arch/x86/events/intel/uncore_snbep.c:4394 __snr_uncore_mmio_init_box() warn: should '(pci_dword & 536870911) << 23' be a 64 bit type?
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Kan, Liang,"
CC: Peter Zijlstra
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
commit: 3442a9ecb8e72a33c28a2b969b766c659830e410 perf/x86/intel/uncore: Factor
out __snr_uncore_mmio_init_box
date: 2 months ago
:: branch date: 19 hours ago
:: commit date: 2 months ago
config: x86_64-randconfig-m001-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
Reported-by: Dan Carpenter
smatch warnings:
arch/x86/events/intel/uncore_snbep.c:4394 __snr_uncore_mmio_init_box() warn:
should '(pci_dword & 536870911) << 23' be a 64 bit type?
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3442a9ecb8e72a33c28a2b969b766c659830e410
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout 3442a9ecb8e72a33c28a2b969b766c659830e410
vim +4394 arch/x86/events/intel/uncore_snbep.c
ee49532b38dd08 Kan Liang 2019-04-30 4382
3442a9ecb8e72a Kan Liang 2020-03-17 4383 static void
__snr_uncore_mmio_init_box(struct intel_uncore_box *box,
3442a9ecb8e72a Kan Liang 2020-03-17 4384
unsigned int box_ctl, int mem_offset)
ee49532b38dd08 Kan Liang 2019-04-30 4385 {
ee49532b38dd08 Kan Liang 2019-04-30 4386 struct pci_dev *pdev =
snr_uncore_get_mc_dev(box->dieid);
ee49532b38dd08 Kan Liang 2019-04-30 4387 resource_size_t addr;
ee49532b38dd08 Kan Liang 2019-04-30 4388 u32 pci_dword;
ee49532b38dd08 Kan Liang 2019-04-30 4389
ee49532b38dd08 Kan Liang 2019-04-30 4390 if (!pdev)
ee49532b38dd08 Kan Liang 2019-04-30 4391 return;
ee49532b38dd08 Kan Liang 2019-04-30 4392
ee49532b38dd08 Kan Liang 2019-04-30 4393 pci_read_config_dword(pdev,
SNR_IMC_MMIO_BASE_OFFSET, &pci_dword);
ee49532b38dd08 Kan Liang 2019-04-30 @4394 addr = (pci_dword &
SNR_IMC_MMIO_BASE_MASK) << 23;
ee49532b38dd08 Kan Liang 2019-04-30 4395
3442a9ecb8e72a Kan Liang 2020-03-17 4396 pci_read_config_dword(pdev,
mem_offset, &pci_dword);
ee49532b38dd08 Kan Liang 2019-04-30 4397 addr |= (pci_dword &
SNR_IMC_MMIO_MEM0_MASK) << 12;
ee49532b38dd08 Kan Liang 2019-04-30 4398
ee49532b38dd08 Kan Liang 2019-04-30 4399 addr += box_ctl;
ee49532b38dd08 Kan Liang 2019-04-30 4400
ee49532b38dd08 Kan Liang 2019-04-30 4401 box->io_addr = ioremap(addr,
SNR_IMC_MMIO_SIZE);
ee49532b38dd08 Kan Liang 2019-04-30 4402 if (!box->io_addr)
ee49532b38dd08 Kan Liang 2019-04-30 4403 return;
ee49532b38dd08 Kan Liang 2019-04-30 4404
ee49532b38dd08 Kan Liang 2019-04-30 4405 writel(IVBEP_PMON_BOX_CTL_INT,
box->io_addr);
ee49532b38dd08 Kan Liang 2019-04-30 4406 }
ee49532b38dd08 Kan Liang 2019-04-30 4407
:: The code at line 4394 was first introduced by commit
:: ee49532b38dd084650bf715eabe7e3828fb8d275 perf/x86/intel/uncore: Add IMC
uncore support for Snow Ridge
:: TO: Kan Liang
:: CC: Ingo Molnar
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
___
kbuild mailing list -- kbuild@lists.01.org
To unsubscribe send an email to kbuild-le...@lists.01.org
[kbuild] [linux-next:master 3942/14131] drivers/char/random.c:2117:35: sparse: expected int ( [usertype] *proc_handler )( ... )
CC: kbuild-...@lists.01.org
TO: "Christoph, Hellwig,"
CC: Al Viro
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: 32927393dc1ccd60fb2bdc05b9e8e88753761469 [3942/14131] sysctl: pass
kernel pointers to ->proc_handler
:: branch date: 3 days ago
:: commit date: 5 weeks ago
config: i386-randconfig-s002-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 32927393dc1ccd60fb2bdc05b9e8e88753761469
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
drivers/char/random.c:2100:50: sparse: sparse: incorrect type in argument 3
(different address spaces) @@ expected void * @@ got void [noderef]
*buffer @@
drivers/char/random.c:2100:50: sparse: expected void *
drivers/char/random.c:2100:50: sparse: got void [noderef] *buffer
drivers/char/random.c:2117:35: sparse: sparse: incorrect type in initializer
(incompatible argument 3 (different address spaces)) @@ expected int (
[usertype] *proc_handler )( ... ) @@ got int ( * )( ... ) @@
>> drivers/char/random.c:2117:35: sparse: expected int ( [usertype]
>> *proc_handler )( ... )
drivers/char/random.c:2117:35: sparse: got int ( * )( ... )
--
drivers/cdrom/cdrom.c:3597:42: sparse: sparse: incorrect type in argument 3
(different address spaces) @@ expected void * @@ got void [noderef]
*buffer @@
>> drivers/cdrom/cdrom.c:3597:42: sparse: expected void *
drivers/cdrom/cdrom.c:3597:42: sparse: got void [noderef] *buffer
drivers/cdrom/cdrom.c:3665:35: sparse: sparse: incorrect type in initializer
(incompatible argument 3 (different address spaces)) @@ expected int (
[usertype] *proc_handler )( ... ) @@ got int ( * )( ... ) @@
drivers/cdrom/cdrom.c:3665:35: sparse: expected int ( [usertype]
*proc_handler )( ... )
drivers/cdrom/cdrom.c:3665:35: sparse: got int ( * )( ... )
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=32927393dc1ccd60fb2bdc05b9e8e88753761469
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout 32927393dc1ccd60fb2bdc05b9e8e88753761469
vim +2117 drivers/char/random.c
a283b5c459784f H. Peter Anvin2013-09-10 2102
^1da177e4c3f41 Linus Torvalds2005-04-16 2103 static int sysctl_poolsize =
INPUT_POOL_WORDS * 32;
a151427ed08695 Joe Perches 2013-06-13 2104 extern struct ctl_table
random_table[];
a151427ed08695 Joe Perches 2013-06-13 2105 struct ctl_table
random_table[] = {
^1da177e4c3f41 Linus Torvalds2005-04-16 2106 {
^1da177e4c3f41 Linus Torvalds2005-04-16 2107 .procname
= "poolsize",
^1da177e4c3f41 Linus Torvalds2005-04-16 2108 .data
= &sysctl_poolsize,
^1da177e4c3f41 Linus Torvalds2005-04-16 2109 .maxlen
= sizeof(int),
^1da177e4c3f41 Linus Torvalds2005-04-16 2110 .mode
= 0444,
6d4561110a3e9f Eric W. Biederman 2009-11-16 2111 .proc_handler
= proc_dointvec,
^1da177e4c3f41 Linus Torvalds2005-04-16 2112 },
^1da177e4c3f41 Linus Torvalds2005-04-16 2113 {
^1da177e4c3f41 Linus Torvalds2005-04-16 2114 .procname
= "entropy_avail",
^1da177e4c3f41 Linus Torvalds2005-04-16 2115 .maxlen
= sizeof(int),
^1da177e4c3f41 Linus Torvalds2005-04-16 2116 .mode
= 0444,
a283b5c459784f H. Peter Anvin2013-09-10 @2117 .proc_handler
= proc_do_entropy,
^1da177e4c3f41 Linus Torvalds2005-04-16 2118 .data
= &input_pool.entropy_count,
^1da177e4c3f41 Linus Torvalds2005-04-16 2119 },
^1da177e4c3f41 Linus Torvalds2005-04-16 2120 {
^1da177e4c3f41 Linus Torvalds2005-04-16 2121 .procname
= "write_wakeup_threshold",
2132a96f66b6b4 Greg Price2013-12-06 2122 .data
= &random_write_wakeup_bits,
^1da177e4c3f41 Linus Torvalds2005-04-16 2123 .maxlen
= sizeof(int),
^1da177e4c3f41 Linus Torvalds2005-04-16 2124 .mode
= 0644,
6d4561110a3e9f Eric W. Biederman 2009-11-16 2125 .proc_handler
= proc_dointvec_minmax,
^1da177e4c3f41 Linus Torvalds2005-04-16 2126 .extra1
= &min_write_thresh,
^1da177e4c3f41 Linus Torvalds2005-04-16 2127
[kbuild] [linux-next:master 4096/14131] net/bridge/br_mrp.c:109:21: sparse: expected unsigned short [usertype] seq_id
CC: kbuild-...@lists.01.org TO: "Horatiu, Vultur," tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c commit: 9a9f26e8f7ea300e8efffcae036dbef239be433a [4096/14131] bridge: mrp: Connect MRP API with the switchdev API :: branch date: 3 days ago :: commit date: 5 weeks ago config: microblaze-randconfig-s032-20200601 (attached as .config) compiler: microblaze-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-243-gc100a7ab-dirty git checkout 9a9f26e8f7ea300e8efffcae036dbef239be433a # save the attached .config to linux build tree make W=1 C=1 ARCH=microblaze CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) include/linux/byteorder/big_endian.h:8:2: sparse: sparse: inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN net/bridge/br_mrp.c:86:18: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] @@ got restricted __be16 [usertype] @@ net/bridge/br_mrp.c:86:18: sparse: expected unsigned short [usertype] net/bridge/br_mrp.c:86:18: sparse: got restricted __be16 [usertype] net/bridge/br_mrp.c:109:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] seq_id @@ got restricted __be16 [usertype] @@ >> net/bridge/br_mrp.c:109:21: sparse: expected unsigned short [usertype] >> seq_id net/bridge/br_mrp.c:109:21: sparse: got restricted __be16 [usertype] net/bridge/br_mrp.c:130:19: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] prio @@ got restricted __be16 [usertype] @@ >> net/bridge/br_mrp.c:130:19: sparse: expected unsigned short [usertype] >> prio net/bridge/br_mrp.c:130:19: sparse: got restricted __be16 [usertype] net/bridge/br_mrp.c:132:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] port_role @@ got restricted __be16 [usertype] @@ >> net/bridge/br_mrp.c:132:24: sparse: expected unsigned short [usertype] >> port_role net/bridge/br_mrp.c:132:24: sparse: got restricted __be16 [usertype] net/bridge/br_mrp.c:133:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] state @@ got restricted __be16 [usertype] @@ >> net/bridge/br_mrp.c:133:20: sparse: expected unsigned short [usertype] >> state net/bridge/br_mrp.c:133:20: sparse: got restricted __be16 [usertype] net/bridge/br_mrp.c:134:26: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned short [usertype] transitions @@ got restricted __be16 [usertype] @@ >> net/bridge/br_mrp.c:134:26: sparse: expected unsigned short [usertype] >> transitions net/bridge/br_mrp.c:134:26: sparse: got restricted __be16 [usertype] net/bridge/br_mrp.c:135:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int [usertype] timestamp @@ got restricted __be32 [usertype] @@ >> net/bridge/br_mrp.c:135:24: sparse: expected unsigned int [usertype] >> timestamp >> net/bridge/br_mrp.c:135:24: sparse: got restricted __be32 [usertype] net/bridge/br_mrp.c:234:23: sparse: sparse: incorrect type in argument 1 (different modifiers) @@ expected struct list_head *entry @@ got struct list_head [noderef] * @@ net/bridge/br_mrp.c:234:23: sparse: expected struct list_head *entry net/bridge/br_mrp.c:234:23: sparse: got struct list_head [noderef] * net/bridge/br_mrp.c:279:28: sparse: sparse: incorrect type in argument 1 (different modifiers) @@ expected struct list_head *new @@ got struct list_head [noderef] * @@ net/bridge/br_mrp.c:279:28: sparse: expected struct list_head *new net/bridge/br_mrp.c:279:28: sparse: got struct list_head [noderef] * net/bridge/br_mrp.c:279:40: sparse: sparse: incorrect type in argument 2 (different modifiers) @@ expected struct list_head *head @@ got struct list_head [noderef] * @@ net/bridge/br_mrp.c:279:40: sparse: expected struct list_head *head net/bridge/br_mrp.c:279:40: sparse: got struct list_head [noderef] * net/bridge/br_mrp.c:296:6: sparse: sparse: symbol 'br_mrp_port_del' was not declared. Should it be static? net/bridge/br_mrp.c:543:5: sparse: sparse: symbol 'br_mrp_process' was not declared. Should it be static? net/bridge/br_mrp.c:558:29: sparse: sparse: incorrect type in argument 1 (different modifiers) @@ expected struct
[kbuild] [linux-next:master 4070/14131] kernel/rcu/tasks.h:824:17: sparse: sparse: dubious: x & !y
CC: kbuild-...@lists.01.org
TO: "Paul, E., McKenney,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: 7e3b70e0703b48e120c3f5e65498790341120fad [4070/14131] rcu-tasks: Handle
the running-offline idle-task special case
:: branch date: 3 days ago
:: commit date: 5 weeks ago
config: i386-randconfig-s002-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 7e3b70e0703b48e120c3f5e65498790341120fad
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
kernel/rcu/tasks.h:418:6: sparse: sparse: symbol 'rcu_tasks_postscan' was
not declared. Should it be static?
kernel/rcu/tasks.h:715:20: sparse: sparse: symbol 'rcu_trace_lock_map' was
not declared. Should it be static?
kernel/rcu/tasks.h:722:10: sparse: sparse: symbol 'trc_n_readers_need_end'
was not declared. Should it be static?
kernel/rcu/tasks.h:723:1: sparse: sparse: symbol 'trc_wait' was not
declared. Should it be static?
kernel/rcu/tasks.h:743:6: sparse: sparse: symbol
'rcu_read_unlock_trace_special' was not declared. Should it be static?
>> kernel/rcu/tasks.h:824:17: sparse: sparse: dubious: x & !y
kernel/rcu/tasks.h:1108:6: sparse: sparse: symbol
'synchronize_rcu_tasks_trace' was not declared. Should it be static?
kernel/rcu/tasks.h:1121:6: sparse: sparse: symbol 'rcu_barrier_tasks_trace'
was not declared. Should it be static?
kernel/rcu/tasks.h:1153:6: sparse: sparse: symbol
'show_rcu_tasks_gp_kthreads' was not declared. Should it be static?
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=7e3b70e0703b48e120c3f5e65498790341120fad
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout 7e3b70e0703b48e120c3f5e65498790341120fad
vim +824 kernel/rcu/tasks.h
d5f177d35c2442 Paul E. McKenney 2020-03-09 815
d5f177d35c2442 Paul E. McKenney 2020-03-09 816 /* Callback function for
scheduler to check locked-down task. */
d5f177d35c2442 Paul E. McKenney 2020-03-09 817 static bool
trc_inspect_reader(struct task_struct *t, void *arg)
d5f177d35c2442 Paul E. McKenney 2020-03-09 818 {
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 819 int cpu = task_cpu(t);
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 820 bool in_qs = false;
7e3b70e0703b48 Paul E. McKenney 2020-03-22 821 bool ofl =
cpu_is_offline(cpu);
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 822
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 823 if (task_curr(t)) {
7e3b70e0703b48 Paul E. McKenney 2020-03-22 @824
WARN_ON_ONCE(ofl & !is_idle_task(t));
7e3b70e0703b48 Paul E. McKenney 2020-03-22 825
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 826 // If no chance
of heavyweight readers, do it the hard way.
7e3b70e0703b48 Paul E. McKenney 2020-03-22 827 if (!ofl &&
!IS_ENABLED(CONFIG_TASKS_TRACE_RCU_READ_MB))
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 828 return
false;
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 829
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 830 // If
heavyweight readers are enabled on the remote task,
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 831 // we can
inspect its state despite its currently running.
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 832 // However, we
cannot safely change its state.
7e3b70e0703b48 Paul E. McKenney 2020-03-22 833 if (!ofl && //
Check for "running" idle tasks on offline CPUs.
7e3b70e0703b48 Paul E. McKenney 2020-03-22 834
!rcu_dynticks_zero_in_eqs(cpu, &t->trc_reader_nesting))
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 835 return
false; // No quiescent state, do it the hard way.
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 836 in_qs = true;
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 837 } else {
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 838 in_qs =
likely(!t->trc_reader_nesting);
7d0c9c50c5a109 Paul E. McKenney 2020-03-19 839 }
d5f177d35c2442 Paul E. McKenney 2020-03-09 840
d5f177d35c2442 Paul E. McKenney 2020-03-09 841 // Mark as checked.
Because this is called from the grace-period
d5f177d35c2442 Paul E. McKenney 2020-03-09 842 // kthread, also remove
the task from the holdout list.
d5f177d35c2442 Paul E. McKen
[kbuild] [linux-next:master 3942/14131] net/core/sysctl_net_core.c:129:42: sparse: got void *buffer
CC: kbuild-...@lists.01.org
TO: "Christoph, Hellwig,"
CC: Al Viro
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: 32927393dc1ccd60fb2bdc05b9e8e88753761469 [3942/14131] sysctl: pass
kernel pointers to ->proc_handler
:: branch date: 3 days ago
:: commit date: 5 weeks ago
config: i386-randconfig-s001-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 32927393dc1ccd60fb2bdc05b9e8e88753761469
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
net/core/sysctl_net_core.c:129:42: sparse: sparse: incorrect type in
argument 1 (different address spaces) @@ expected char const [noderef]
*buf @@ got void *buffer @@
net/core/sysctl_net_core.c:129:42: sparse: expected char const [noderef]
*buf
>> net/core/sysctl_net_core.c:129:42: sparse: got void *buffer
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=32927393dc1ccd60fb2bdc05b9e8e88753761469
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout 32927393dc1ccd60fb2bdc05b9e8e88753761469
vim +129 net/core/sysctl_net_core.c
99bbc70741903c Willem de Bruijn 2013-05-20 116
fe2c6338fd2c6f Joe Perches 2013-06-11 117 static int
flow_limit_cpu_sysctl(struct ctl_table *table, int write,
32927393dc1ccd Christoph Hellwig 2020-04-24 118
void *buffer, size_t *lenp, loff_t *ppos)
99bbc70741903c Willem de Bruijn 2013-05-20 119 {
99bbc70741903c Willem de Bruijn 2013-05-20 120struct sd_flow_limit
*cur;
99bbc70741903c Willem de Bruijn 2013-05-20 121struct softnet_data *sd;
99bbc70741903c Willem de Bruijn 2013-05-20 122cpumask_var_t mask;
99bbc70741903c Willem de Bruijn 2013-05-20 123int i, len, ret = 0;
99bbc70741903c Willem de Bruijn 2013-05-20 124
99bbc70741903c Willem de Bruijn 2013-05-20 125if
(!alloc_cpumask_var(&mask, GFP_KERNEL))
99bbc70741903c Willem de Bruijn 2013-05-20 126return -ENOMEM;
99bbc70741903c Willem de Bruijn 2013-05-20 127
99bbc70741903c Willem de Bruijn 2013-05-20 128if (write) {
99bbc70741903c Willem de Bruijn 2013-05-20 @129ret =
cpumask_parse_user(buffer, *lenp, mask);
99bbc70741903c Willem de Bruijn 2013-05-20 130if (ret)
99bbc70741903c Willem de Bruijn 2013-05-20 131goto
done;
99bbc70741903c Willem de Bruijn 2013-05-20 132
99bbc70741903c Willem de Bruijn 2013-05-20 133
mutex_lock(&flow_limit_update_mutex);
99bbc70741903c Willem de Bruijn 2013-05-20 134len =
sizeof(*cur) + netdev_flow_limit_table_len;
99bbc70741903c Willem de Bruijn 2013-05-20 135
for_each_possible_cpu(i) {
99bbc70741903c Willem de Bruijn 2013-05-20 136sd =
&per_cpu(softnet_data, i);
99bbc70741903c Willem de Bruijn 2013-05-20 137cur =
rcu_dereference_protected(sd->flow_limit,
99bbc70741903c Willem de Bruijn 2013-05-20 138
lockdep_is_held(&flow_limit_update_mutex));
99bbc70741903c Willem de Bruijn 2013-05-20 139if (cur
&& !cpumask_test_cpu(i, mask)) {
99bbc70741903c Willem de Bruijn 2013-05-20 140
RCU_INIT_POINTER(sd->flow_limit, NULL);
99bbc70741903c Willem de Bruijn 2013-05-20 141
synchronize_rcu();
99bbc70741903c Willem de Bruijn 2013-05-20 142
kfree(cur);
99bbc70741903c Willem de Bruijn 2013-05-20 143} else
if (!cur && cpumask_test_cpu(i, mask)) {
5b59d467ad9ff9 Eric Dumazet 2013-12-18 144
cur = kzalloc_node(len, GFP_KERNEL,
5b59d467ad9ff9 Eric Dumazet 2013-12-18 145
cpu_to_node(i));
99bbc70741903c Willem de Bruijn 2013-05-20 146
if (!cur) {
99bbc70741903c Willem de Bruijn 2013-05-20 147
/* not unwinding previous changes */
99bbc70741903c Willem de Bruijn 2013-05-20 148
ret = -ENOMEM;
99bbc70741903c Willem de Bruijn 2013-05-20 149
goto write_unlock;
99bbc70741903c Willem de Bruijn 2013-05-20 150
}
99bbc70741903c Willem de
[kbuild] [linux-next:master 465/14131] include/asm-generic/bitops/instrumented-lock.h:40:25: sparse: sparse: context imbalance in 'dm_exception_table_unlock' - unexpected unlock
CC: kbuild-...@lists.01.org
TO: "Marco, Elver,"
CC: Ingo Molnar
CC: "Paul E. McKenney"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: 27f937cc810aef63b0752f5bfbf383390dd076a1 [465/14131] asm-generic,
kcsan: Add KCSAN instrumentation for bitops
:: branch date: 3 days ago
:: commit date: 2 months ago
config: x86_64-randconfig-s022-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 27f937cc810aef63b0752f5bfbf383390dd076a1
# save the attached .config to linux build tree
make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
drivers/md/dm-snap.c:642:13: sparse: sparse: context imbalance in
'dm_exception_table_lock' - wrong count at exit
>> include/asm-generic/bitops/instrumented-lock.h:40:25: sparse: sparse:
>> context imbalance in 'dm_exception_table_unlock' - unexpected unlock
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=27f937cc810aef63b0752f5bfbf383390dd076a1
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout 27f937cc810aef63b0752f5bfbf383390dd076a1
vim +/dm_exception_table_unlock +40
include/asm-generic/bitops/instrumented-lock.h
81d2c6f81996e0 Daniel Axtens 2019-08-20 28
81d2c6f81996e0 Daniel Axtens 2019-08-20 29 /**
81d2c6f81996e0 Daniel Axtens 2019-08-20 30 * __clear_bit_unlock - Clears a
bit in memory
81d2c6f81996e0 Daniel Axtens 2019-08-20 31 * @nr: Bit to clear
81d2c6f81996e0 Daniel Axtens 2019-08-20 32 * @addr: Address to start
counting from
81d2c6f81996e0 Daniel Axtens 2019-08-20 33 *
81d2c6f81996e0 Daniel Axtens 2019-08-20 34 * This is a non-atomic operation
but implies a release barrier before the
81d2c6f81996e0 Daniel Axtens 2019-08-20 35 * memory operation. It can be
used for an unlock if no other CPUs can
81d2c6f81996e0 Daniel Axtens 2019-08-20 36 * concurrently modify other bits
in the word.
81d2c6f81996e0 Daniel Axtens 2019-08-20 37 */
81d2c6f81996e0 Daniel Axtens 2019-08-20 38 static inline void
__clear_bit_unlock(long nr, volatile unsigned long *addr)
81d2c6f81996e0 Daniel Axtens 2019-08-20 39 {
27f937cc810aef Marco Elver 2020-01-21 @40 instrument_write(addr +
BIT_WORD(nr), sizeof(long));
81d2c6f81996e0 Daniel Axtens 2019-08-20 41 arch___clear_bit_unlock(nr,
addr);
81d2c6f81996e0 Daniel Axtens 2019-08-20 42 }
81d2c6f81996e0 Daniel Axtens 2019-08-20 43
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
___
kbuild mailing list -- kbuild@lists.01.org
To unsubscribe send an email to kbuild-le...@lists.01.org
[kbuild] [linux-next:master 4817/14131] drivers/net/ethernet/broadcom/genet/bcmgenet.c:688:24: sparse: expected unsigned short [usertype] val_16
CC: kbuild-...@lists.01.org
TO: "Doug, Berger,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: 3e370952287c55e5fd240cb8bb41ef8acff8829d [4817/14131] net: bcmgenet:
add support for ethtool rxnfc flows
:: branch date: 3 days ago
:: commit date: 5 weeks ago
config: i386-randconfig-s001-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 3e370952287c55e5fd240cb8bb41ef8acff8829d
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
drivers/net/ethernet/broadcom/genet/bcmgenet.c:688:24: sparse: sparse:
incorrect type in assignment (different base types) @@ expected unsigned
short [usertype] val_16 @@ got restricted __be16 [usertype] @@
>> drivers/net/ethernet/broadcom/genet/bcmgenet.c:688:24: sparse: expected
>> unsigned short [usertype] val_16
drivers/net/ethernet/broadcom/genet/bcmgenet.c:688:24: sparse: got
restricted __be16 [usertype]
drivers/net/ethernet/broadcom/genet/bcmgenet.c:782:5: sparse: sparse: symbol
'bcmgenet_hfb_add_filter' was not declared. Should it be static?
include/linux/netdevice.h:4052:20: sparse: sparse: shift count is negative
(-1)
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=3e370952287c55e5fd240cb8bb41ef8acff8829d
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout 3e370952287c55e5fd240cb8bb41ef8acff8829d
vim +688 drivers/net/ethernet/broadcom/genet/bcmgenet.c
3e370952287c55 Doug Berger 2020-04-29 631
3e370952287c55 Doug Berger 2020-04-29 632 static int
bcmgenet_hfb_create_rxnfc_filter(struct bcmgenet_priv *priv,
3e370952287c55 Doug Berger 2020-04-29 633
struct bcmgenet_rxnfc_rule *rule)
3e370952287c55 Doug Berger 2020-04-29 634 {
3e370952287c55 Doug Berger 2020-04-29 635 struct ethtool_rx_flow_spec *fs
= &rule->fs;
3e370952287c55 Doug Berger 2020-04-29 636 int err = 0, offset = 0,
f_length = 0;
3e370952287c55 Doug Berger 2020-04-29 637 u16 val_16, mask_16;
3e370952287c55 Doug Berger 2020-04-29 638 u8 val_8, mask_8;
3e370952287c55 Doug Berger 2020-04-29 639 size_t size;
3e370952287c55 Doug Berger 2020-04-29 640 u32 *f_data;
3e370952287c55 Doug Berger 2020-04-29 641
3e370952287c55 Doug Berger 2020-04-29 642 f_data =
kcalloc(priv->hw_params->hfb_filter_size, sizeof(u32),
3e370952287c55 Doug Berger 2020-04-29 643 GFP_KERNEL);
3e370952287c55 Doug Berger 2020-04-29 644 if (!f_data)
3e370952287c55 Doug Berger 2020-04-29 645 return -ENOMEM;
3e370952287c55 Doug Berger 2020-04-29 646
3e370952287c55 Doug Berger 2020-04-29 647 if (fs->flow_type &
FLOW_MAC_EXT) {
3e370952287c55 Doug Berger 2020-04-29 648
bcmgenet_hfb_insert_data(f_data, 0,
3e370952287c55 Doug Berger 2020-04-29 649
&fs->h_ext.h_dest, &fs->m_ext.h_dest,
3e370952287c55 Doug Berger 2020-04-29 650
sizeof(fs->h_ext.h_dest));
3e370952287c55 Doug Berger 2020-04-29 651 }
3e370952287c55 Doug Berger 2020-04-29 652
3e370952287c55 Doug Berger 2020-04-29 653 if (fs->flow_type & FLOW_EXT) {
3e370952287c55 Doug Berger 2020-04-29 654 if
(fs->m_ext.vlan_etype ||
3e370952287c55 Doug Berger 2020-04-29 655 fs->m_ext.vlan_tci)
{
3e370952287c55 Doug Berger 2020-04-29 656
bcmgenet_hfb_insert_data(f_data, 12,
3e370952287c55 Doug Berger 2020-04-29 657
&fs->h_ext.vlan_etype,
3e370952287c55 Doug Berger 2020-04-29 658
&fs->m_ext.vlan_etype,
3e370952287c55 Doug Berger 2020-04-29 659
sizeof(fs->h_ext.vlan_etype));
3e370952287c55 Doug Berger 2020-04-29 660
bcmgenet_hfb_insert_data(f_data, 14,
3e370952287c55 Doug Berger 2020-04-29 661
&fs->h_ext.vlan_tci,
3e370952287c55 Doug Berger 2020-04-29 662
&fs->m_ext.vlan_tci,
3e370952287c55 Doug Berger 2020-04-29 663
sizeof(fs->h_ext.vlan_tci));
3e370952287c55 Doug Berger 2020-04-29 664 offset +=
VLAN_HLEN;
3e370952287c55
[kbuild] security/keys/keyring.c:93:27: sparse: expected long ( *read )( ... )
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Waiman, Long,"
CC: David Howells
CC: Jarkko Sakkinen
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
commit: d3ec10aa95819bff18a0d936b18884c7816d0914 KEYS: Don't write out to
userspace while holding key semaphore
date: 9 weeks ago
:: branch date: 16 hours ago
:: commit date: 9 weeks ago
config: i386-randconfig-s001-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout d3ec10aa95819bff18a0d936b18884c7816d0914
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
security/keys/keyring.c:93:27: sparse: sparse: incorrect type in initializer
(incompatible argument 2 (different address spaces)) @@ expected long (
*read )( ... ) @@ got long ( * )( ... ) @@
>> security/keys/keyring.c:93:27: sparse: expected long ( *read )( ... )
security/keys/keyring.c:93:27: sparse: got long ( * )( ... )
security/keys/keyring.c:469:21: sparse: sparse: dereference of noderef
expression
security/keys/keyring.c:1234:5: sparse: sparse: context imbalance in
'__key_link_lock' - wrong count at exit
security/keys/keyring.c:1256:5: sparse: sparse: context imbalance in
'__key_move_lock' - wrong count at exit
security/keys/keyring.c:1396:9: sparse: sparse: context imbalance in
'__key_link_end' - wrong count at exit
security/keys/keyring.c:1459:9: sparse: sparse: context imbalance in
'key_link' - wrong count at exit
security/keys/keyring.c:1467:12: sparse: sparse: context imbalance in
'__key_unlink_lock' - wrong count at exit
security/keys/keyring.c:1520:9: sparse: sparse: context imbalance in
'__key_unlink_end' - wrong count at exit
security/keys/keyring.c:1540:5: sparse: sparse: context imbalance in
'key_unlink' - wrong count at exit
security/keys/keyring.c:1585:5: sparse: sparse: context imbalance in
'key_move' - different lock contexts for basic block
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d3ec10aa95819bff18a0d936b18884c7816d0914
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout d3ec10aa95819bff18a0d936b18884c7816d0914
vim +93 security/keys/keyring.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 68
^1da177e4c3f41 Linus Torvalds 2005-04-16 69 /*
973c9f4f49ca96 David Howells 2011-01-20 70 * The keyring key type
definition. Keyrings are simply keys of this type and
973c9f4f49ca96 David Howells 2011-01-20 71 * can be treated as ordinary
keys in addition to having their own special
973c9f4f49ca96 David Howells 2011-01-20 72 * operations.
^1da177e4c3f41 Linus Torvalds 2005-04-16 73 */
5d19e20b534ff4 David Howells 2014-07-18 74 static int
keyring_preparse(struct key_preparsed_payload *prep);
5d19e20b534ff4 David Howells 2014-07-18 75 static void
keyring_free_preparse(struct key_preparsed_payload *prep);
^1da177e4c3f41 Linus Torvalds 2005-04-16 76 static int
keyring_instantiate(struct key *keyring,
cf7f601c067994 David Howells 2012-09-13 77 struct
key_preparsed_payload *prep);
31204ed925b067 David Howells 2006-06-26 78 static void keyring_revoke(struct
key *keyring);
^1da177e4c3f41 Linus Torvalds 2005-04-16 79 static void
keyring_destroy(struct key *keyring);
^1da177e4c3f41 Linus Torvalds 2005-04-16 80 static void
keyring_describe(const struct key *keyring, struct seq_file *m);
^1da177e4c3f41 Linus Torvalds 2005-04-16 81 static long keyring_read(const
struct key *keyring,
^1da177e4c3f41 Linus Torvalds 2005-04-16 82 char __user
*buffer, size_t buflen);
^1da177e4c3f41 Linus Torvalds 2005-04-16 83
^1da177e4c3f41 Linus Torvalds 2005-04-16 84 struct key_type key_type_keyring
= {
^1da177e4c3f41 Linus Torvalds 2005-04-16 85.name = "keyring",
b2a4df200d570b David Howells 2013-09-24 86.def_datalen= 0,
5d19e20b534ff4 David Howells 2014-07-18 87.preparse =
keyring_preparse,
5d19e20b534ff4 David Howells 2014-07-18 88.free_preparse =
keyring_free_preparse,
^1da177e4c3f41 Linus Torvalds 2005-04-16 89.instantiate=
keyring_instantiate,
31204ed925b067 David Howells 2006-06-26 90.revoke =
keyring_revoke,
^1da177e4c3f41 Linus Torvalds 2005-04-16 91.destroy=
keyring_destroy,
^1da177e4c3f41 Linus Torvalds 2005-04-16 92.describe =
keyring_describe,
^1da177e4c3f41 L
[kbuild] arch/x86/ia32/ia32_signal.c:350:9: sparse: expected void const volatile [noderef] *
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Al, Viro,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
commit: 57d563c8292569f2849569853e846bf740df5032 x86: ia32_setup_rt_frame():
consolidate uaccess areas
date: 10 weeks ago
:: branch date: 15 hours ago
:: commit date: 10 weeks ago
config: x86_64-randconfig-s021-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 57d563c8292569f2849569853e846bf740df5032
# save the attached .config to linux build tree
make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
space '' of expression
arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: incorrect type in
argument 1 (different address spaces) @@ expected void const volatile
[noderef] * @@ got unsigned long long [usertype] * @@
>> arch/x86/ia32/ia32_signal.c:350:9: sparse: expected void const volatile
>> [noderef] *
>> arch/x86/ia32/ia32_signal.c:350:9: sparse: got unsigned long long
>> [usertype] *
arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
space '' of expression
arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
space '' of expression
arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
space '' of expression
arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
space '' of expression
arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
space '' of expression
arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
space '' of expression
arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
space '' of expression
arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
space '' of expression
arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
space '' of expression
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=57d563c8292569f2849569853e846bf740df5032
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout 57d563c8292569f2849569853e846bf740df5032
vim +350 arch/x86/ia32/ia32_signal.c
^1da177e4c3f41 arch/x86_64/ia32/ia32_signal.c Linus Torvalds2005-04-16 299
235b80226b986d arch/x86/ia32/ia32_signal.cAl Viro 2012-11-09 300
int ia32_setup_rt_frame(int sig, struct ksignal *ksig,
^1da177e4c3f41 arch/x86_64/ia32/ia32_signal.c Linus Torvalds2005-04-16 301
compat_sigset_t *set, struct pt_regs *regs)
^1da177e4c3f41 arch/x86_64/ia32/ia32_signal.c Linus Torvalds2005-04-16 302
{
3b0d29ee1c73b6 arch/x86/ia32/ia32_signal.cHiroshi Shimamoto 2008-12-17 303
struct rt_sigframe_ia32 __user *frame;
af65d64845a90c arch/x86/ia32/ia32_signal.cRoland McGrath2008-01-30 304
void __user *restorer;
44a1d996325982 arch/x86/ia32/ia32_signal.cAl Viro 2020-02-15 305
void __user *fp = NULL;
^1da177e4c3f41 arch/x86_64/ia32/ia32_signal.c Linus Torvalds2005-04-16 306
57d563c8292569 arch/x86/ia32/ia32_signal.cAl Viro 2020-02-15 307
/* unsafe_put_user optimizes that into a single 8 byte store */
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 308
static const struct {
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 309
u8 movl;
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 310
u32 val;
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 311
u16 int80;
9cc3c49ed1b1db arch/x86/ia32/ia32_signal.cHiroshi Shimamoto 2008-11-11 312
u8 pad;
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 313
} __attribute__((packed)) code = {
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 314
0xb8,
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 315
__NR_ia32_rt_sigreturn,
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 316
0x80cd,
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 317
0,
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 200
[kbuild] block/partitions/core.c:173 check_partition() warn: passing zero to 'ERR_PTR'
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Christoph, Hellwig,"
CC: Jens Axboe
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
commit: 387048bf67eeff8bdf7c2a41b03b48230a88b3d3 block: merge
partition-generic.c and check.c
date: 10 weeks ago
:: branch date: 15 hours ago
:: commit date: 10 weeks ago
config: mips-randconfig-m031-20200601 (attached as .config)
compiler: mipsel-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
Reported-by: Dan Carpenter
smatch warnings:
block/partitions/core.c:173 check_partition() warn: passing zero to 'ERR_PTR'
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=387048bf67eeff8bdf7c2a41b03b48230a88b3d3
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout 387048bf67eeff8bdf7c2a41b03b48230a88b3d3
vim +/ERR_PTR +173 block/partitions/core.c
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 115
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 116
static struct parsed_partitions *check_partition(struct gendisk *hd,
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 117
struct block_device *bdev)
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 118 {
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 119
struct parsed_partitions *state;
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 120
int i, res, err;
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 121
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 122
state = allocate_partitions(hd);
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 123
if (!state)
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 124
return NULL;
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 125
state->pp_buf = (char *)__get_free_page(GFP_KERNEL);
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 126
if (!state->pp_buf) {
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 127
free_partitions(state);
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 128
return NULL;
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 129
}
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 130
state->pp_buf[0] = '\0';
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 131
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 132
state->bdev = bdev;
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 133
disk_name(hd, 0, state->name);
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 134
snprintf(state->pp_buf, PAGE_SIZE, " %s:", state->name);
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 135
if (isdigit(state->name[strlen(state->name)-1]))
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 136
sprintf(state->name, "p");
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 137
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 138
i = res = err = 0;
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 139
while (!res && check_part[i]) {
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 140
memset(state->parts, 0, state->limit * sizeof(state->parts[0]));
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 141
res = check_part[i++](state);
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 142
if (res < 0) {
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 143
/*
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 144
* We have hit an I/O error which we don't report now.
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 145
* But record it, and let the others do their job.
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 146
*/
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 147
err = res;
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 148
res = 0;
387048bf67eeff block/partitions/core.c Christoph Hellwig 2020-03-24 149
}
387048bf67
[kbuild] [linux-next:master 4817/14131] drivers/net/ethernet/broadcom/genet/bcmgenet.c:688:24: sparse: got restricted __be16 [usertype]
CC: kbuild-...@lists.01.org
TO: "Doug, Berger,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: 3e370952287c55e5fd240cb8bb41ef8acff8829d [4817/14131] net: bcmgenet:
add support for ethtool rxnfc flows
:: branch date: 3 days ago
:: commit date: 5 weeks ago
config: i386-randconfig-s001-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 3e370952287c55e5fd240cb8bb41ef8acff8829d
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
drivers/net/ethernet/broadcom/genet/bcmgenet.c:688:24: sparse: sparse:
incorrect type in assignment (different base types) @@ expected unsigned
short [usertype] val_16 @@ got restricted __be16 [usertype] @@
drivers/net/ethernet/broadcom/genet/bcmgenet.c:688:24: sparse: expected
unsigned short [usertype] val_16
>> drivers/net/ethernet/broadcom/genet/bcmgenet.c:688:24: sparse: got
>> restricted __be16 [usertype]
drivers/net/ethernet/broadcom/genet/bcmgenet.c:782:5: sparse: sparse: symbol
'bcmgenet_hfb_add_filter' was not declared. Should it be static?
include/linux/netdevice.h:4052:20: sparse: sparse: shift count is negative
(-1)
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=3e370952287c55e5fd240cb8bb41ef8acff8829d
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout 3e370952287c55e5fd240cb8bb41ef8acff8829d
vim +688 drivers/net/ethernet/broadcom/genet/bcmgenet.c
3e370952287c55 Doug Berger 2020-04-29 631
3e370952287c55 Doug Berger 2020-04-29 632 static int
bcmgenet_hfb_create_rxnfc_filter(struct bcmgenet_priv *priv,
3e370952287c55 Doug Berger 2020-04-29 633
struct bcmgenet_rxnfc_rule *rule)
3e370952287c55 Doug Berger 2020-04-29 634 {
3e370952287c55 Doug Berger 2020-04-29 635 struct ethtool_rx_flow_spec *fs
= &rule->fs;
3e370952287c55 Doug Berger 2020-04-29 636 int err = 0, offset = 0,
f_length = 0;
3e370952287c55 Doug Berger 2020-04-29 637 u16 val_16, mask_16;
3e370952287c55 Doug Berger 2020-04-29 638 u8 val_8, mask_8;
3e370952287c55 Doug Berger 2020-04-29 639 size_t size;
3e370952287c55 Doug Berger 2020-04-29 640 u32 *f_data;
3e370952287c55 Doug Berger 2020-04-29 641
3e370952287c55 Doug Berger 2020-04-29 642 f_data =
kcalloc(priv->hw_params->hfb_filter_size, sizeof(u32),
3e370952287c55 Doug Berger 2020-04-29 643 GFP_KERNEL);
3e370952287c55 Doug Berger 2020-04-29 644 if (!f_data)
3e370952287c55 Doug Berger 2020-04-29 645 return -ENOMEM;
3e370952287c55 Doug Berger 2020-04-29 646
3e370952287c55 Doug Berger 2020-04-29 647 if (fs->flow_type &
FLOW_MAC_EXT) {
3e370952287c55 Doug Berger 2020-04-29 648
bcmgenet_hfb_insert_data(f_data, 0,
3e370952287c55 Doug Berger 2020-04-29 649
&fs->h_ext.h_dest, &fs->m_ext.h_dest,
3e370952287c55 Doug Berger 2020-04-29 650
sizeof(fs->h_ext.h_dest));
3e370952287c55 Doug Berger 2020-04-29 651 }
3e370952287c55 Doug Berger 2020-04-29 652
3e370952287c55 Doug Berger 2020-04-29 653 if (fs->flow_type & FLOW_EXT) {
3e370952287c55 Doug Berger 2020-04-29 654 if
(fs->m_ext.vlan_etype ||
3e370952287c55 Doug Berger 2020-04-29 655 fs->m_ext.vlan_tci)
{
3e370952287c55 Doug Berger 2020-04-29 656
bcmgenet_hfb_insert_data(f_data, 12,
3e370952287c55 Doug Berger 2020-04-29 657
&fs->h_ext.vlan_etype,
3e370952287c55 Doug Berger 2020-04-29 658
&fs->m_ext.vlan_etype,
3e370952287c55 Doug Berger 2020-04-29 659
sizeof(fs->h_ext.vlan_etype));
3e370952287c55 Doug Berger 2020-04-29 660
bcmgenet_hfb_insert_data(f_data, 14,
3e370952287c55 Doug Berger 2020-04-29 661
&fs->h_ext.vlan_tci,
3e370952287c55 Doug Berger 2020-04-29 662
&fs->m_ext.vlan_tci,
3e370952287c55 Doug Berger 2020-04-29 663
sizeof(fs->h_ext.vlan_tci));
3e370952287c55 Doug Berger 2020-04-29 664 offset +=
VLAN_HLEN;
3e370952287c55
[kbuild] fs/xfs/xfs_log_cil.c:1065:9: sparse: sparse: context imbalance in 'xfs_log_commit_cil' - unexpected unlock
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Dave, Chinner,"
CC: "Darrick J. Wong"
CC: Allison Collins
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
commit: 0e7ab7efe77451cba4cbecb6c9f5ef83cf32b36b xfs: Throttle commits on
delayed background CIL push
date: 9 weeks ago
:: branch date: 15 hours ago
:: commit date: 9 weeks ago
config: ia64-randconfig-s032-20200601 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 0e7ab7efe77451cba4cbecb6c9f5ef83cf32b36b
# save the attached .config to linux build tree
make W=1 C=1 ARCH=ia64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
fs/xfs/xfs_log_cil.c:899:1: sparse: sparse: context imbalance in
'xlog_cil_push_background' - wrong count at exit
>> fs/xfs/xfs_log_cil.c:1065:9: sparse: sparse: context imbalance in
>> 'xfs_log_commit_cil' - unexpected unlock
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0e7ab7efe77451cba4cbecb6c9f5ef83cf32b36b
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout 0e7ab7efe77451cba4cbecb6c9f5ef83cf32b36b
vim +/xfs_log_commit_cil +1065 fs/xfs/xfs_log_cil.c
2c6e24ce1aa6b3 Dave Chinner 2013-10-15 997
a44f13edf0ebb4 Dave Chinner 2010-08-24 998 /*
a44f13edf0ebb4 Dave Chinner 2010-08-24 999 * Commit a transaction with
the given vector to the Committed Item List.
a44f13edf0ebb4 Dave Chinner 2010-08-24 1000 *
a44f13edf0ebb4 Dave Chinner 2010-08-24 1001 * To do this, we need to
format the item, pin it in memory if required and
a44f13edf0ebb4 Dave Chinner 2010-08-24 1002 * account for the space
used by the transaction. Once we have done that we
a44f13edf0ebb4 Dave Chinner 2010-08-24 1003 * need to release the
unused reservation for the transaction, attach the
a44f13edf0ebb4 Dave Chinner 2010-08-24 1004 * transaction to the
checkpoint context so we carry the busy extents through
a44f13edf0ebb4 Dave Chinner 2010-08-24 1005 * to checkpoint completion,
and then unlock all the items in the transaction.
a44f13edf0ebb4 Dave Chinner 2010-08-24 1006 *
a44f13edf0ebb4 Dave Chinner 2010-08-24 1007 * Called with the context
lock already held in read mode to lock out
a44f13edf0ebb4 Dave Chinner 2010-08-24 1008 * background commit,
returns without it held once background commits are
a44f13edf0ebb4 Dave Chinner 2010-08-24 1009 * allowed again.
a44f13edf0ebb4 Dave Chinner 2010-08-24 1010 */
c6f9726444c8f8 Jie Liu 2014-02-07 1011 void
a44f13edf0ebb4 Dave Chinner 2010-08-24 1012 xfs_log_commit_cil(
a44f13edf0ebb4 Dave Chinner 2010-08-24 1013 struct xfs_mount
*mp,
a44f13edf0ebb4 Dave Chinner 2010-08-24 1014 struct xfs_trans
*tp,
a44f13edf0ebb4 Dave Chinner 2010-08-24 1015 xfs_lsn_t
*commit_lsn,
70393313dd0b26 Christoph Hellwig 2015-06-04 1016 bool
regrant)
a44f13edf0ebb4 Dave Chinner 2010-08-24 1017 {
f7bdf03a99efc0 Mark Tinguely 2012-06-14 1018 struct xlog
*log = mp->m_log;
991aaf65ff0add Dave Chinner 2013-08-12 1019 struct xfs_cil
*cil = log->l_cilp;
195cd83d1b8835 Christoph Hellwig 2019-06-28 1020 struct xfs_log_item
*lip, *next;
f990fc5ad13b8f Shan Hai 2017-06-14 1021 xfs_lsn_t
xc_commit_lsn;
a44f13edf0ebb4 Dave Chinner 2010-08-24 1022
b1c5ebb21301fc Dave Chinner 2016-07-22 1023 /*
b1c5ebb21301fc Dave Chinner 2016-07-22 1024* Do all necessary
memory allocation before we lock the CIL.
b1c5ebb21301fc Dave Chinner 2016-07-22 1025* This ensures the
allocation does not deadlock with a CIL
b1c5ebb21301fc Dave Chinner 2016-07-22 1026* push in memory
reclaim (e.g. from kswapd).
b1c5ebb21301fc Dave Chinner 2016-07-22 1027*/
b1c5ebb21301fc Dave Chinner 2016-07-22 1028
xlog_cil_alloc_shadow_bufs(log, tp);
b1c5ebb21301fc Dave Chinner 2016-07-22 1029
f5baac354db8b6 Dave Chinner 2013-08-12 1030 /* lock out background
commit */
991aaf65ff0add Dave Chinner 2013-08-12 1031
down_read(&cil->xc_ctx_lock);
d1583a3833290a Dave Chinner 2010-09-24 1032
991aaf65ff0add Dave Chinner 2013-08-12 1033
xlog_cil_insert_items(log, tp);
a44f13edf0ebb4 Dave Chinner 2010-08-24 1034
f990fc5ad13b8f Shan Hai 2017-06-14 1035 xc
[kbuild] [linux-next:master 3942/14131] net/core/neighbour.c:3460:5: sparse: int extern [addressable] [signed] [toplevel] neigh_proc_dointvec( ... )
CC: kbuild-...@lists.01.org TO: "Christoph, Hellwig," CC: Al Viro tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c commit: 32927393dc1ccd60fb2bdc05b9e8e88753761469 [3942/14131] sysctl: pass kernel pointers to ->proc_handler :: branch date: 3 days ago :: commit date: 5 weeks ago config: i386-randconfig-s002-20200601 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-243-gc100a7ab-dirty git checkout 32927393dc1ccd60fb2bdc05b9e8e88753761469 # save the attached .config to linux build tree make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) net/core/neighbour.c:3460:5: sparse: sparse: symbol 'neigh_proc_dointvec' redeclared with different type (incompatible argument 3 (different address spaces)): >> net/core/neighbour.c:3460:5: sparse:int extern [addressable] [signed] >> [toplevel] neigh_proc_dointvec( ... ) >> include/net/neighbour.h:394:5: sparse: note: previously declared as: include/net/neighbour.h:394:5: sparse:int extern [addressable] [signed] [toplevel] neigh_proc_dointvec( ... ) net/core/neighbour.c:3470:5: sparse: sparse: symbol 'neigh_proc_dointvec_jiffies' redeclared with different type (incompatible argument 3 (different address spaces)): >> net/core/neighbour.c:3470:5: sparse:int extern [addressable] [signed] >> [toplevel] neigh_proc_dointvec_jiffies( ... ) include/net/neighbour.h:396:5: sparse: note: previously declared as: >> include/net/neighbour.h:396:5: sparse:int extern [addressable] [signed] >> [toplevel] neigh_proc_dointvec_jiffies( ... ) net/core/neighbour.c:3490:5: sparse: sparse: symbol 'neigh_proc_dointvec_ms_jiffies' redeclared with different type (incompatible argument 3 (different address spaces)): net/core/neighbour.c:3490:5: sparse:int extern [addressable] [signed] [toplevel] neigh_proc_dointvec_ms_jiffies( ... ) include/net/neighbour.h:399:5: sparse: note: previously declared as: include/net/neighbour.h:399:5: sparse:int extern [addressable] [signed] [toplevel] neigh_proc_dointvec_ms_jiffies( ... ) net/core/neighbour.c:348:12: sparse: sparse: context imbalance in '__neigh_ifdown' - wrong count at exit net/core/neighbour.c:803:9: sparse: sparse: context imbalance in 'pneigh_ifdown_and_unlock' - unexpected unlock -- drivers/char/random.c:2100:50: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void * @@ got void [noderef] *buffer @@ >> drivers/char/random.c:2100:50: sparse: expected void * drivers/char/random.c:2100:50: sparse: got void [noderef] *buffer drivers/char/random.c:2117:35: sparse: sparse: incorrect type in initializer (incompatible argument 3 (different address spaces)) @@ expected int ( [usertype] *proc_handler )( ... ) @@ got int ( * )( ... ) @@ drivers/char/random.c:2117:35: sparse: expected int ( [usertype] *proc_handler )( ... ) >> drivers/char/random.c:2117:35: sparse: got int ( * )( ... ) -- net/ipv6/ndisc.c:1850:55: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void [noderef] *buffer @@ got void *buffer @@ >> net/ipv6/ndisc.c:1850:55: sparse: expected void [noderef] *buffer net/ipv6/ndisc.c:1850:55: sparse: got void *buffer net/ipv6/ndisc.c:1854:51: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void [noderef] *buffer @@ got void *buffer @@ net/ipv6/ndisc.c:1854:51: sparse: expected void [noderef] *buffer net/ipv6/ndisc.c:1854:51: sparse: got void *buffer net/ipv6/ndisc.c:1859:54: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void [noderef] *buffer @@ got void *buffer @@ net/ipv6/ndisc.c:1859:54: sparse: expected void [noderef] *buffer net/ipv6/ndisc.c:1859:54: sparse: got void *buffer net/ipv6/ndisc.c:1838:5: sparse: sparse: symbol 'ndisc_ifinfo_sysctl_change' redeclared with different type (incompatible argument 3 (different address spaces)): net/ipv6/ndisc.c:1838:5: sparse:int extern [addressable] [signed] [toplevel] ndisc_ifinfo_sysctl_change( ... ) include/net/ndisc.h:496:5: sparse: note: previously declared as: include/net/ndisc.h:496:5: sparse:int extern [addressable] [signed] [toplevel] ndisc_ifinfo_sysctl_change( ... ) include/net/addrconf.h:478:36: sparse: sparse: restricted __be32 degrades to integer # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/c
[kbuild] [linux-next:master 2996/14131] sound/soc/fsl/fsl_asrc.c:1050:60: sparse: got restricted snd_pcm_format_t *
CC: kbuild-...@lists.01.org
TO: "Shengjiu, Wang,"
CC: Mark Brown
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: 4520af41fd21863d026d53c7e1eb987509cb3c24 [2996/14131] ASoC: fsl_asrc:
Support new property fsl,asrc-format
:: branch date: 3 days ago
:: commit date: 6 weeks ago
config: openrisc-randconfig-s031-20200601 (attached as .config)
compiler: or1k-linux-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 4520af41fd21863d026d53c7e1eb987509cb3c24
# save the attached .config to linux build tree
make W=1 C=1 ARCH=openrisc CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
sound/soc/fsl/fsl_asrc.c:1050:60: sparse: sparse: incorrect type in argument
3 (different base types) @@ expected unsigned int [usertype] *out_value @@
got restricted snd_pcm_format_t * @@
sound/soc/fsl/fsl_asrc.c:1050:60: sparse: expected unsigned int
[usertype] *out_value
>> sound/soc/fsl/fsl_asrc.c:1050:60: sparse: got restricted
>> snd_pcm_format_t *
sound/soc/fsl/fsl_asrc.c:1073:47: sparse: sparse: restricted
snd_pcm_format_t degrades to integer
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=4520af41fd21863d026d53c7e1eb987509cb3c24
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout 4520af41fd21863d026d53c7e1eb987509cb3c24
vim +1050 sound/soc/fsl/fsl_asrc.c
3117bb3109dc22 Nicolin Chen 2014-07-29 933
3117bb3109dc22 Nicolin Chen 2014-07-29 934 static int fsl_asrc_probe(struct
platform_device *pdev)
3117bb3109dc22 Nicolin Chen 2014-07-29 935 {
3117bb3109dc22 Nicolin Chen 2014-07-29 936 struct device_node *np =
pdev->dev.of_node;
7470704d8b425c Shengjiu Wang 2020-04-16 937 struct fsl_asrc *asrc;
3117bb3109dc22 Nicolin Chen 2014-07-29 938 struct resource *res;
3117bb3109dc22 Nicolin Chen 2014-07-29 939 void __iomem *regs;
3117bb3109dc22 Nicolin Chen 2014-07-29 940 int irq, ret, i;
c05f10f28ef697 Shengjiu Wang 2019-12-04 941 u32 map_idx;
3117bb3109dc22 Nicolin Chen 2014-07-29 942 char tmp[16];
4520af41fd2186 Shengjiu Wang 2020-04-16 943 u32 width;
3117bb3109dc22 Nicolin Chen 2014-07-29 944
7470704d8b425c Shengjiu Wang 2020-04-16 945 asrc = devm_kzalloc(&pdev->dev,
sizeof(*asrc), GFP_KERNEL);
7470704d8b425c Shengjiu Wang 2020-04-16 946 if (!asrc)
3117bb3109dc22 Nicolin Chen 2014-07-29 947 return -ENOMEM;
3117bb3109dc22 Nicolin Chen 2014-07-29 948
7470704d8b425c Shengjiu Wang 2020-04-16 949 asrc->pdev = pdev;
3117bb3109dc22 Nicolin Chen 2014-07-29 950
3117bb3109dc22 Nicolin Chen 2014-07-29 951 /* Get the addresses and IRQ */
3117bb3109dc22 Nicolin Chen 2014-07-29 952 res =
platform_get_resource(pdev, IORESOURCE_MEM, 0);
3117bb3109dc22 Nicolin Chen 2014-07-29 953 regs =
devm_ioremap_resource(&pdev->dev, res);
3117bb3109dc22 Nicolin Chen 2014-07-29 954 if (IS_ERR(regs))
3117bb3109dc22 Nicolin Chen 2014-07-29 955 return PTR_ERR(regs);
3117bb3109dc22 Nicolin Chen 2014-07-29 956
7470704d8b425c Shengjiu Wang 2020-04-16 957 asrc->paddr = res->start;
3117bb3109dc22 Nicolin Chen 2014-07-29 958
7470704d8b425c Shengjiu Wang 2020-04-16 959 asrc->regmap =
devm_regmap_init_mmio_clk(&pdev->dev, "mem", regs,
3117bb3109dc22 Nicolin Chen 2014-07-29 960
&fsl_asrc_regmap_config);
7470704d8b425c Shengjiu Wang 2020-04-16 961 if (IS_ERR(asrc->regmap)) {
3117bb3109dc22 Nicolin Chen 2014-07-29 962 dev_err(&pdev->dev,
"failed to init regmap\n");
7470704d8b425c Shengjiu Wang 2020-04-16 963 return
PTR_ERR(asrc->regmap);
3117bb3109dc22 Nicolin Chen 2014-07-29 964 }
3117bb3109dc22 Nicolin Chen 2014-07-29 965
3117bb3109dc22 Nicolin Chen 2014-07-29 966 irq = platform_get_irq(pdev, 0);
cf9441adb1a355 Stephen Boyd 2019-07-30 967 if (irq < 0)
3117bb3109dc22 Nicolin Chen 2014-07-29 968 return irq;
3117bb3109dc22 Nicolin Chen 2014-07-29 969
3117bb3109dc22 Nicolin Chen 2014-07-29 970 ret =
devm_request_irq(&pdev->dev, irq, fsl_asrc_isr, 0,
7470704d8b425c Shengjiu Wang 2020-04-16 971
dev_name(&pdev->dev), asrc);
3117bb3109dc22 Nicolin Chen 2014-07-29 972 if (ret) {
3117bb3109dc22 Nicolin Chen 2014-07-29 973 dev_err(&pdev->dev,
"failed to claim irq %u: %d\n", irq, ret);
3117bb3109dc22 Nicolin Chen 2014-07-29 974 return ret;
3117b
[kbuild] Re: [Intel-gfx] [PATCH v1] drm/i915: Fix wrong CDCLK adjustment changes
Hi Stanislav,
url:
https://github.com/0day-ci/linux/commits/Stanislav-Lisovskiy/drm-i915-Fix-wrong-CDCLK-adjustment-changes/20200526-180642
base: git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: i386-randconfig-m021-20200531 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
Reported-by: Dan Carpenter
smatch warnings:
drivers/gpu/drm/i915/display/intel_bw.c:453 skl_bw_calc_min_cdclk() error:
uninitialized symbol 'pipe'.
#
https://github.com/0day-ci/linux/commit/21b0324886122a396687d977d67eb6ce3caf2b17
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 21b0324886122a396687d977d67eb6ce3caf2b17
vim +/pipe +453 drivers/gpu/drm/i915/display/intel_bw.c
366b6200f76e0f Jani Nikula 2019-08-06 430
cd19154608610a Stanislav Lisovskiy 2020-05-20 431 int
skl_bw_calc_min_cdclk(struct intel_atomic_state *state)
cd19154608610a Stanislav Lisovskiy 2020-05-20 432 {
cd19154608610a Stanislav Lisovskiy 2020-05-20 433 struct drm_i915_private
*dev_priv = to_i915(state->base.dev);
cac91e671ad5dc Stanislav Lisovskiy 2020-05-22 434 struct intel_bw_state
*new_bw_state = NULL;
cac91e671ad5dc Stanislav Lisovskiy 2020-05-22 435 struct intel_bw_state
*old_bw_state = NULL;
cd19154608610a Stanislav Lisovskiy 2020-05-20 436 const struct
intel_crtc_state *crtc_state;
cd19154608610a Stanislav Lisovskiy 2020-05-20 437 struct intel_crtc *crtc;
cd19154608610a Stanislav Lisovskiy 2020-05-20 438 int max_bw = 0;
cd19154608610a Stanislav Lisovskiy 2020-05-20 439 int slice_id;
21b0324886122a Stanislav Lisovskiy 2020-05-26 440 enum pipe pipe;
cac91e671ad5dc Stanislav Lisovskiy 2020-05-22 441 int i;
cd19154608610a Stanislav Lisovskiy 2020-05-20 442
cd19154608610a Stanislav Lisovskiy 2020-05-20 443
for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
cd19154608610a Stanislav Lisovskiy 2020-05-20 444 enum plane_id
plane_id;
cd19154608610a Stanislav Lisovskiy 2020-05-20 445 struct
intel_dbuf_bw *crtc_bw;
cd19154608610a Stanislav Lisovskiy 2020-05-20 446
cd19154608610a Stanislav Lisovskiy 2020-05-20 447 new_bw_state =
intel_atomic_get_bw_state(state);
cd19154608610a Stanislav Lisovskiy 2020-05-20 448 if
(IS_ERR(new_bw_state))
cd19154608610a Stanislav Lisovskiy 2020-05-20 449 return
PTR_ERR(new_bw_state);
cd19154608610a Stanislav Lisovskiy 2020-05-20 450
21b0324886122a Stanislav Lisovskiy 2020-05-26 451 old_bw_state =
intel_atomic_get_old_bw_state(state);
21b0324886122a Stanislav Lisovskiy 2020-05-26 452
21b0324886122a Stanislav Lisovskiy 2020-05-26 @453 crtc_bw =
&new_bw_state->dbuf_bw[pipe];
Not initialized. Probably "i" was intended?
cd19154608610a Stanislav Lisovskiy 2020-05-20 454
cd19154608610a Stanislav Lisovskiy 2020-05-20 455
memset(&crtc_bw->used_bw, 0, sizeof(crtc_bw->used_bw));
cd19154608610a Stanislav Lisovskiy 2020-05-20 456
cd19154608610a Stanislav Lisovskiy 2020-05-20 457
for_each_plane_id_on_crtc(crtc, plane_id) {
cd19154608610a Stanislav Lisovskiy 2020-05-20 458 const
struct skl_ddb_entry *plane_alloc =
cd19154608610a Stanislav Lisovskiy 2020-05-20 459
&crtc_state->wm.skl.plane_ddb_y[plane_id];
cd19154608610a Stanislav Lisovskiy 2020-05-20 460 const
struct skl_ddb_entry *uv_plane_alloc =
cd19154608610a Stanislav Lisovskiy 2020-05-20 461
&crtc_state->wm.skl.plane_ddb_uv[plane_id];
cd19154608610a Stanislav Lisovskiy 2020-05-20 462
unsigned int data_rate = crtc_state->data_rate[plane_id];
cd19154608610a Stanislav Lisovskiy 2020-05-20 463
unsigned int dbuf_mask = 0;
cd19154608610a Stanislav Lisovskiy 2020-05-20 464
cd19154608610a Stanislav Lisovskiy 2020-05-20 465
dbuf_mask |= skl_ddb_dbuf_slice_mask(dev_priv, plane_alloc);
cd19154608610a Stanislav Lisovskiy 2020-05-20 466
dbuf_mask |= skl_ddb_dbuf_slice_mask(dev_priv, uv_plane_alloc);
cd19154608610a Stanislav Lisovskiy 2020-05-20 467
cd19154608610a Stanislav Lisovskiy 2020-05-20 468 /*
cac91e671ad5dc Stanislav Lisovskiy 2020-05-22 469 *
FIXME: To calculate that more properly we probably
cac91e671ad5dc Stanislav Lisovskiy 2020-05-22 470 * need
to to split per plane data_rate into data_rate_y
cac91e671ad5dc Stanislav Lisovskiy 2020-05-22 471 * and
data_rate_uv for multiplanar formats in order not
cac91e671ad5dc Stanislav Lisovskiy 2020-05-22 472 * to
[kbuild] drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: got restricted __be32
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Florian, Fainelli,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
commit: 8b3abe304c5f1057b7bac70fd5576dfa67e3e2b3 net: dsa: bcm_sf2: Support
specifying VLAN tag egress rule
date: 9 weeks ago
:: branch date: 14 hours ago
:: commit date: 9 weeks ago
config: x86_64-randconfig-s022-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 8b3abe304c5f1057b7bac70fd5576dfa67e3e2b3
# save the attached .config to linux build tree
make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
drivers/net/dsa/bcm_sf2_cfp.c:352:44: sparse: sparse: incorrect type in
initializer (different base types) @@ expected restricted __be16 [usertype]
vlan_m_tci @@ got int @@
drivers/net/dsa/bcm_sf2_cfp.c:352:44: sparse: expected restricted __be16
[usertype] vlan_m_tci
drivers/net/dsa/bcm_sf2_cfp.c:352:44: sparse: got int
drivers/net/dsa/bcm_sf2_cfp.c:633:43: sparse: sparse: incorrect type in
initializer (different base types) @@ expected restricted __be16 [usertype]
vlan_m_tci @@ got int @@
drivers/net/dsa/bcm_sf2_cfp.c:633:43: sparse: expected restricted __be16
[usertype] vlan_m_tci
drivers/net/dsa/bcm_sf2_cfp.c:633:43: sparse: got int
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: cast from restricted
__be32
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: incorrect type in
argument 1 (different base types) @@ expected unsigned int [usertype] val
@@ got restricted __be32 @@
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: expected unsigned int
[usertype] val
>> drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: got restricted __be32
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: cast from restricted
__be32
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: cast from restricted
__be32
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: cast from restricted
__be32
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: cast from restricted
__be32
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: restricted __be32
degrades to integer
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8b3abe304c5f1057b7bac70fd5576dfa67e3e2b3
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout 8b3abe304c5f1057b7bac70fd5576dfa67e3e2b3
vim +890 drivers/net/dsa/bcm_sf2_cfp.c
ba0696c22e7c5b Florian Fainelli 2017-10-20 845
ce24b08a2e6f7c Florian Fainelli 2018-11-06 846 static int
bcm_sf2_cfp_rule_insert(struct dsa_switch *ds, int port,
3306145866b62f Florian Fainelli 2017-10-20 847
struct ethtool_rx_flow_spec *fs)
3306145866b62f Florian Fainelli 2017-10-20 848 {
3306145866b62f Florian Fainelli 2017-10-20 849 struct bcm_sf2_priv
*priv = bcm_sf2_to_priv(ds);
68bb8ea8ad0d49 Vivien Didelot 2019-10-21 850 s8 cpu_port =
dsa_to_port(ds, port)->cpu_dp->index;
8a75f4f2acd78a Florian Fainelli 2018-08-07 851 __u64 ring_cookie =
fs->ring_cookie;
8b3abe304c5f10 Florian Fainelli 2020-03-30 852 struct
switchdev_obj_port_vlan vlan;
3306145866b62f Florian Fainelli 2017-10-20 853 unsigned int queue_num,
port_num;
8b3abe304c5f10 Florian Fainelli 2020-03-30 854 u16 vid;
ce24b08a2e6f7c Florian Fainelli 2018-11-06 855 int ret;
ae7a5aff783c79 Florian Fainelli 2018-11-06 856
8a75f4f2acd78a Florian Fainelli 2018-08-07 857 /* This rule is a
Wake-on-LAN filter and we must specifically
8a75f4f2acd78a Florian Fainelli 2018-08-07 858 * target the CPU port
in order for it to be working.
8a75f4f2acd78a Florian Fainelli 2018-08-07 859 */
8a75f4f2acd78a Florian Fainelli 2018-08-07 860 if (ring_cookie ==
RX_CLS_FLOW_WAKE)
8a75f4f2acd78a Florian Fainelli 2018-08-07 861 ring_cookie =
cpu_port * SF2_NUM_EGRESS_QUEUES;
8a75f4f2acd78a Florian Fainelli 2018-08-07 862
3306145866b62f Florian Fainelli 2017-10-20 863 /* We do not support
discarding packets, check that the
3306145866b62f Florian Fainelli 2017-10-20 864 * destination port is
enabled and that we are within the
3306145866b62f Florian Fainelli 2017-10-20 865 * number of ports
supported by the switch
3306145866b62f Florian Fainelli 2017-10-20 866 */
8a75f4f2acd78a Florian Fainelli 2018-08-07 867 port_num = ring_cookie
/ SF2_NUM_EGRESS_QUEUES;
3306145866b62f Florian Fainelli 2017-10-20 868
[kbuild] drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: expected unsigned int [usertype] val
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Florian, Fainelli,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
commit: 8b3abe304c5f1057b7bac70fd5576dfa67e3e2b3 net: dsa: bcm_sf2: Support
specifying VLAN tag egress rule
date: 9 weeks ago
:: branch date: 14 hours ago
:: commit date: 9 weeks ago
config: x86_64-randconfig-s022-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 8b3abe304c5f1057b7bac70fd5576dfa67e3e2b3
# save the attached .config to linux build tree
make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
drivers/net/dsa/bcm_sf2_cfp.c:352:44: sparse: sparse: incorrect type in
initializer (different base types) @@ expected restricted __be16 [usertype]
vlan_m_tci @@ got int @@
drivers/net/dsa/bcm_sf2_cfp.c:352:44: sparse: expected restricted __be16
[usertype] vlan_m_tci
drivers/net/dsa/bcm_sf2_cfp.c:352:44: sparse: got int
drivers/net/dsa/bcm_sf2_cfp.c:633:43: sparse: sparse: incorrect type in
initializer (different base types) @@ expected restricted __be16 [usertype]
vlan_m_tci @@ got int @@
drivers/net/dsa/bcm_sf2_cfp.c:633:43: sparse: expected restricted __be16
[usertype] vlan_m_tci
drivers/net/dsa/bcm_sf2_cfp.c:633:43: sparse: got int
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: cast from restricted
__be32
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: incorrect type in
argument 1 (different base types) @@ expected unsigned int [usertype] val
@@ got restricted __be32 @@
>> drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: expected unsigned int
>> [usertype] val
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: got restricted __be32
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: cast from restricted
__be32
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: cast from restricted
__be32
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: cast from restricted
__be32
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: cast from restricted
__be32
drivers/net/dsa/bcm_sf2_cfp.c:890:21: sparse: sparse: restricted __be32
degrades to integer
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8b3abe304c5f1057b7bac70fd5576dfa67e3e2b3
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout 8b3abe304c5f1057b7bac70fd5576dfa67e3e2b3
vim +890 drivers/net/dsa/bcm_sf2_cfp.c
ba0696c22e7c5b Florian Fainelli 2017-10-20 845
ce24b08a2e6f7c Florian Fainelli 2018-11-06 846 static int
bcm_sf2_cfp_rule_insert(struct dsa_switch *ds, int port,
3306145866b62f Florian Fainelli 2017-10-20 847
struct ethtool_rx_flow_spec *fs)
3306145866b62f Florian Fainelli 2017-10-20 848 {
3306145866b62f Florian Fainelli 2017-10-20 849 struct bcm_sf2_priv
*priv = bcm_sf2_to_priv(ds);
68bb8ea8ad0d49 Vivien Didelot 2019-10-21 850 s8 cpu_port =
dsa_to_port(ds, port)->cpu_dp->index;
8a75f4f2acd78a Florian Fainelli 2018-08-07 851 __u64 ring_cookie =
fs->ring_cookie;
8b3abe304c5f10 Florian Fainelli 2020-03-30 852 struct
switchdev_obj_port_vlan vlan;
3306145866b62f Florian Fainelli 2017-10-20 853 unsigned int queue_num,
port_num;
8b3abe304c5f10 Florian Fainelli 2020-03-30 854 u16 vid;
ce24b08a2e6f7c Florian Fainelli 2018-11-06 855 int ret;
ae7a5aff783c79 Florian Fainelli 2018-11-06 856
8a75f4f2acd78a Florian Fainelli 2018-08-07 857 /* This rule is a
Wake-on-LAN filter and we must specifically
8a75f4f2acd78a Florian Fainelli 2018-08-07 858 * target the CPU port
in order for it to be working.
8a75f4f2acd78a Florian Fainelli 2018-08-07 859 */
8a75f4f2acd78a Florian Fainelli 2018-08-07 860 if (ring_cookie ==
RX_CLS_FLOW_WAKE)
8a75f4f2acd78a Florian Fainelli 2018-08-07 861 ring_cookie =
cpu_port * SF2_NUM_EGRESS_QUEUES;
8a75f4f2acd78a Florian Fainelli 2018-08-07 862
3306145866b62f Florian Fainelli 2017-10-20 863 /* We do not support
discarding packets, check that the
3306145866b62f Florian Fainelli 2017-10-20 864 * destination port is
enabled and that we are within the
3306145866b62f Florian Fainelli 2017-10-20 865 * number of ports
supported by the switch
3306145866b62f Florian Fainelli 2017-10-20 866 */
8a75f4f2acd78a Florian Fainelli 2018-08-07 867 port_num = ring_cookie
/ SF2_NUM_EGRESS_QUEUES;
3306145866b62f Florian Fainelli 2017-10
[kbuild] [rdma-rdma:for-next 81/228] drivers/infiniband/core/cm.c:2533:12: sparse: sparse: context imbalance in 'cm_establish_handler' - different lock contexts for basic block
CC: kbuild-...@lists.01.org
TO: "Jason, Gunthorpe,"
CC: Leon Romanovsky
tree: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
head: 0258b569a53b87742104a3ecb1d1204d5974a28b
commit: e83f195aa45c1ffd73b3a950a887e41c260cf194 [81/228] RDMA/cm: Pull
duplicated code into cm_queue_work_unlock()
:: branch date: 3 days ago
:: commit date: 3 weeks ago
config: i386-randconfig-s001-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout e83f195aa45c1ffd73b3a950a887e41c260cf194
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
drivers/infiniband/core/cm.c:1297:21: sparse: sparse: cast from restricted
__be32
drivers/infiniband/core/cm.c:936:24: sparse: sparse: context imbalance in
'cm_queue_work_unlock' - unexpected unlock
drivers/infiniband/core/cm.c:2043:12: sparse: sparse: context imbalance in
'cm_req_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:2422:12: sparse: sparse: context imbalance in
'cm_rep_handler' - different lock contexts for basic block
>> drivers/infiniband/core/cm.c:2533:12: sparse: sparse: context imbalance in
>> 'cm_establish_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:2556:12: sparse: sparse: context imbalance in
'cm_rtu_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:2770:12: sparse: sparse: context imbalance in
'cm_dreq_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:2847:12: sparse: sparse: context imbalance in
'cm_drep_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:2995:12: sparse: sparse: context imbalance in
'cm_rej_handler' - wrong count at exit
drivers/infiniband/core/cm.c:3153:12: sparse: sparse: context imbalance in
'cm_mra_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:3271:12: sparse: sparse: context imbalance in
'cm_lap_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:3360:12: sparse: sparse: context imbalance in
'cm_apr_handler' - different lock contexts for basic block
drivers/infiniband/core/cm.c:3405:12: sparse: sparse: context imbalance in
'cm_timewait_handler' - different lock contexts for basic block
#
https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/commit/?id=e83f195aa45c1ffd73b3a950a887e41c260cf194
git remote add rdma-rdma
https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git
git remote update rdma-rdma
git checkout e83f195aa45c1ffd73b3a950a887e41c260cf194
vim +/cm_establish_handler +2533 drivers/infiniband/core/cm.c
a977049dacdef6 Hal Rosenstock 2005-07-27 2532
a977049dacdef6 Hal Rosenstock 2005-07-27 @2533 static int
cm_establish_handler(struct cm_work *work)
a977049dacdef6 Hal Rosenstock 2005-07-27 2534 {
a977049dacdef6 Hal Rosenstock 2005-07-27 2535 struct cm_id_private
*cm_id_priv;
a977049dacdef6 Hal Rosenstock 2005-07-27 2536
e1444b5a163e81 Sean Hefty 2006-11-28 2537 /* See comment in
cm_establish about lookup. */
a977049dacdef6 Hal Rosenstock 2005-07-27 2538 cm_id_priv =
cm_acquire_id(work->local_id, work->remote_id);
a977049dacdef6 Hal Rosenstock 2005-07-27 2539 if (!cm_id_priv)
a977049dacdef6 Hal Rosenstock 2005-07-27 2540 return -EINVAL;
a977049dacdef6 Hal Rosenstock 2005-07-27 2541
24be6e81c78314 Sean Hefty 2007-06-18 2542
spin_lock_irq(&cm_id_priv->lock);
a977049dacdef6 Hal Rosenstock 2005-07-27 2543 if
(cm_id_priv->id.state != IB_CM_ESTABLISHED) {
24be6e81c78314 Sean Hefty 2007-06-18 2544
spin_unlock_irq(&cm_id_priv->lock);
a977049dacdef6 Hal Rosenstock 2005-07-27 2545 goto out;
a977049dacdef6 Hal Rosenstock 2005-07-27 2546 }
a977049dacdef6 Hal Rosenstock 2005-07-27 2547
34816ad98efe4d Sean Hefty 2005-10-25 2548
ib_cancel_mad(cm_id_priv->av.port->mad_agent, cm_id_priv->msg);
e83f195aa45c1f Jason Gunthorpe 2020-05-06 2549
cm_queue_work_unlock(cm_id_priv, work);
a977049dacdef6 Hal Rosenstock 2005-07-27 2550 return 0;
a977049dacdef6 Hal Rosenstock 2005-07-27 2551 out:
a977049dacdef6 Hal Rosenstock 2005-07-27 2552 cm_deref_id(cm_id_priv);
a977049dacdef6 Hal Rosenstock 2005-07-27 2553 return -EINVAL;
a977049dacdef6 Hal Rosenstock 2005-07-27 2554 }
a977049dacdef6 Hal Rosens
[kbuild] [linux-next:master 3191/14131] drivers/net/ethernet/mscc/ocelot_flower.c:184:54: sparse: got restricted __be16 [usertype]
CC: kbuild-...@lists.01.org
TO: "Vladimir, Oltean,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: 86b956de119c09818d0aabaf668280d8e4bd0d4b [3191/14131] net: mscc:
ocelot: support matching on EtherType
:: branch date: 3 days ago
:: commit date: 6 weeks ago
config: openrisc-randconfig-s031-20200601 (attached as .config)
compiler: or1k-linux-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 86b956de119c09818d0aabaf668280d8e4bd0d4b
# save the attached .config to linux build tree
make W=1 C=1 ARCH=openrisc CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
drivers/net/ethernet/mscc/ocelot_flower.c:184:54: sparse: sparse: incorrect
type in assignment (different base types) @@ expected unsigned short
[usertype] @@ got restricted __be16 [usertype] @@
drivers/net/ethernet/mscc/ocelot_flower.c:184:54: sparse: expected
unsigned short [usertype]
>> drivers/net/ethernet/mscc/ocelot_flower.c:184:54: sparse: got restricted
>> __be16 [usertype]
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=86b956de119c09818d0aabaf668280d8e4bd0d4b
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout 86b956de119c09818d0aabaf668280d8e4bd0d4b
vim +184 drivers/net/ethernet/mscc/ocelot_flower.c
fe3490e6107e10 Horatiu Vultur2019-05-31 48
f9e30088d20016 Pablo Neira Ayuso 2019-07-09 49 static int
ocelot_flower_parse(struct flow_cls_offload *f,
ce6659c55b7dad Vladimir Oltean 2020-02-29 50
struct ocelot_ace_rule *ace)
fe3490e6107e10 Horatiu Vultur2019-05-31 51 {
f9e30088d20016 Pablo Neira Ayuso 2019-07-09 52struct flow_rule *rule
= flow_cls_offload_flow_rule(f);
fe3490e6107e10 Horatiu Vultur2019-05-31 53struct flow_dissector
*dissector = rule->match.dissector;
86b956de119c09 Vladimir Oltean 2020-04-20 54u16 proto =
ntohs(f->common.protocol);
86b956de119c09 Vladimir Oltean 2020-04-20 55bool match_protocol =
true;
fe3490e6107e10 Horatiu Vultur2019-05-31 56
fe3490e6107e10 Horatiu Vultur2019-05-31 57if
(dissector->used_keys &
fe3490e6107e10 Horatiu Vultur2019-05-31 58
~(BIT(FLOW_DISSECTOR_KEY_CONTROL) |
fe3490e6107e10 Horatiu Vultur2019-05-31 59
BIT(FLOW_DISSECTOR_KEY_BASIC) |
fe3490e6107e10 Horatiu Vultur2019-05-31 60
BIT(FLOW_DISSECTOR_KEY_PORTS) |
fe3490e6107e10 Horatiu Vultur2019-05-31 61
BIT(FLOW_DISSECTOR_KEY_VLAN) |
fe3490e6107e10 Horatiu Vultur2019-05-31 62
BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) |
fe3490e6107e10 Horatiu Vultur2019-05-31 63
BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) |
fe3490e6107e10 Horatiu Vultur2019-05-31 64
BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS))) {
fe3490e6107e10 Horatiu Vultur2019-05-31 65return
-EOPNOTSUPP;
fe3490e6107e10 Horatiu Vultur2019-05-31 66}
fe3490e6107e10 Horatiu Vultur2019-05-31 67
fe3490e6107e10 Horatiu Vultur2019-05-31 68if
(flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) {
fe3490e6107e10 Horatiu Vultur2019-05-31 69struct
flow_match_control match;
fe3490e6107e10 Horatiu Vultur2019-05-31 70
fe3490e6107e10 Horatiu Vultur2019-05-31 71
flow_rule_match_control(rule, &match);
fe3490e6107e10 Horatiu Vultur2019-05-31 72}
fe3490e6107e10 Horatiu Vultur2019-05-31 73
fe3490e6107e10 Horatiu Vultur2019-05-31 74if
(flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
fe3490e6107e10 Horatiu Vultur2019-05-31 75struct
flow_match_eth_addrs match;
fe3490e6107e10 Horatiu Vultur2019-05-31 76
fe3490e6107e10 Horatiu Vultur2019-05-31 77/* The hw
support mac matches only for MAC_ETYPE key,
fe3490e6107e10 Horatiu Vultur2019-05-31 78 * therefore if
other matches(port, tcp flags, etc) are added
fe3490e6107e10 Horatiu Vultur2019-05-31 79 * then just
bail out
fe3490e6107e10 Horatiu Vultur2019-05-31 80 */
fe3490e6107e10 Horatiu Vultur2019-05-31 81if
((dissector->used_keys &
fe3490e6107e10 Horatiu Vultur2019-05-31 82
(BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) |
fe3490e6107e10 Horatiu Vultur2019-05-31 83
BIT(FLOW_DISSECTOR_KEY_BASIC) |
fe3490e6107e10 Horatiu Vultur2019-05-31 84
BIT(
[kbuild] [kdave:for-5.8 2/133] fs/btrfs/locking.c:534:22: sparse: sparse: context imbalance in 'btrfs_lock_root_node' - wrong count at exit
CC: kbuild-...@lists.01.org
TO: "Jules, Irenge,"
CC: David Sterba
tree: https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git for-5.8
head: 2166e5edce9ac1edf3b113d6091ef72fcac2d6c4
commit: 78d933c79cb649906577715af15400c7724ca633 [2/133] btrfs: add missing
annotation for btrfs_tree_lock()
:: branch date: 4 days ago
:: commit date: 7 days ago
config: x86_64-randconfig-s022-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 78d933c79cb649906577715af15400c7724ca633
# save the attached .config to linux build tree
make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
include/linux/kasan-checks.h:38:20: sparse: sparse: context imbalance in
'btrfs_set_lock_blocking_read' - unexpected unlock
fs/btrfs/locking.c:232:41: sparse: sparse: context imbalance in
'btrfs_set_lock_blocking_write' - unexpected unlock
fs/btrfs/locking.c:247:6: sparse: sparse: context imbalance in
'btrfs_tree_read_lock' - different lock contexts for basic block
fs/btrfs/locking.c:288:5: sparse: sparse: context imbalance in
'btrfs_tree_read_lock_atomic' - different lock contexts for basic block
fs/btrfs/locking.c:310:5: sparse: sparse: context imbalance in
'btrfs_try_tree_read_lock' - different lock contexts for basic block
fs/btrfs/locking.c:335:5: sparse: sparse: context imbalance in
'btrfs_try_tree_write_lock' - different lock contexts for basic block
include/linux/kasan-checks.h:38:20: sparse: sparse: context imbalance in
'btrfs_tree_read_unlock' - unexpected unlock
fs/btrfs/locking.c:129:9: sparse: sparse: context imbalance in
'btrfs_tree_unlock' - unexpected unlock
>> fs/btrfs/locking.c:534:22: sparse: sparse: context imbalance in
>> 'btrfs_lock_root_node' - wrong count at exit
#
https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git/commit/?id=78d933c79cb649906577715af15400c7724ca633
git remote add kdave
https://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git
git remote update kdave
git checkout 78d933c79cb649906577715af15400c7724ca633
vim +/btrfs_lock_root_node +534 fs/btrfs/locking.c
b908c334e7a419 David Sterba 2020-02-05 527
b908c334e7a419 David Sterba 2020-02-05 528 /*
b908c334e7a419 David Sterba 2020-02-05 529 * Loop around taking references
on and locking the root node of the tree until
b908c334e7a419 David Sterba 2020-02-05 530 * we end up with a lock on the
root node.
b908c334e7a419 David Sterba 2020-02-05 531 *
b908c334e7a419 David Sterba 2020-02-05 532 * Return: root extent buffer with
write lock held
b908c334e7a419 David Sterba 2020-02-05 533 */
b908c334e7a419 David Sterba 2020-02-05 @534 struct extent_buffer
*btrfs_lock_root_node(struct btrfs_root *root)
b908c334e7a419 David Sterba 2020-02-05 535 {
b908c334e7a419 David Sterba 2020-02-05 536 struct extent_buffer *eb;
b908c334e7a419 David Sterba 2020-02-05 537
b908c334e7a419 David Sterba 2020-02-05 538 while (1) {
b908c334e7a419 David Sterba 2020-02-05 539 eb =
btrfs_root_node(root);
b908c334e7a419 David Sterba 2020-02-05 540 btrfs_tree_lock(eb);
b908c334e7a419 David Sterba 2020-02-05 541 if (eb == root->node)
b908c334e7a419 David Sterba 2020-02-05 542 break;
b908c334e7a419 David Sterba 2020-02-05 543 btrfs_tree_unlock(eb);
b908c334e7a419 David Sterba 2020-02-05 544 free_extent_buffer(eb);
b908c334e7a419 David Sterba 2020-02-05 545 }
b908c334e7a419 David Sterba 2020-02-05 546 return eb;
b908c334e7a419 David Sterba 2020-02-05 547 }
b908c334e7a419 David Sterba 2020-02-05 548
:: The code at line 534 was first introduced by commit
:: b908c334e7a419e5cd08a45d31284b4a93de3bd7 btrfs: move root node locking
helpers to locking.c
:: TO: David Sterba
:: CC: David Sterba
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
___
kbuild mailing list -- kbuild@lists.01.org
To unsubscribe send an email to kbuild-le...@lists.01.org
[kbuild] [linux-next:master 10504/14131] net/ipv6/mcast.c:606:34: sparse: expected void [noderef] *to
CC: kbuild-...@lists.01.org
TO: "Al, Viro,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: 931ca7ab7fe804d77bc6952f1512950c0d870f26 [10504/14131] ip*_mc_gsfget():
lift copyout of struct group_filter into callers
:: branch date: 3 days ago
:: commit date: 12 days ago
config: microblaze-randconfig-s032-20200601 (attached as .config)
compiler: microblaze-linux-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 931ca7ab7fe804d77bc6952f1512950c0d870f26
# save the attached .config to linux build tree
make W=1 C=1 ARCH=microblaze CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
include/linux/byteorder/big_endian.h:8:2: sparse: sparse: inconsistent
configuration, needs CONFIG_CPU_BIG_ENDIAN
net/ipv6/mcast.c:606:34: sparse: sparse: incorrect type in argument 1
(different address spaces) @@ expected void [noderef] *to @@
got struct __kernel_sockaddr_storage *p @@
>> net/ipv6/mcast.c:606:34: sparse: expected void [noderef] *to
net/ipv6/mcast.c:606:34: sparse: got struct __kernel_sockaddr_storage *p
net/ipv6/mcast.c:549:5: sparse: sparse: symbol 'ip6_mc_msfget' redeclared
with different type (incompatible argument 3 (different address spaces)):
net/ipv6/mcast.c:549:5: sparse:int extern [addressable] [signed]
[toplevel] ip6_mc_msfget( ... )
>> include/net/ipv6.h:1140:5: sparse: note: previously declared as:
include/net/ipv6.h:1140:5: sparse:int extern [addressable] [signed]
[toplevel] ip6_mc_msfget( ... )
net/ipv6/mcast.c:259:25: sparse: sparse: context imbalance in
'ip6_mc_find_dev_rcu' - different lock contexts for basic block
net/ipv6/mcast.c:453:9: sparse: sparse: context imbalance in 'ip6_mc_source'
- unexpected unlock
net/ipv6/mcast.c:542:9: sparse: sparse: context imbalance in
'ip6_mc_msfilter' - unexpected unlock
net/ipv6/mcast.c:589:21: sparse: sparse: context imbalance in
'ip6_mc_msfget' - unexpected unlock
net/ipv6/mcast.c:2700:25: sparse: sparse: context imbalance in
'igmp6_mc_get_next' - unexpected unlock
net/ipv6/mcast.c:2722:9: sparse: sparse: context imbalance in
'igmp6_mc_get_idx' - wrong count at exit
net/ipv6/mcast.c:2749:9: sparse: sparse: context imbalance in
'igmp6_mc_seq_stop' - unexpected unlock
net/ipv6/mcast.c:2821:31: sparse: sparse: context imbalance in
'igmp6_mcf_get_next' - unexpected unlock
net/ipv6/mcast.c:2853:9: sparse: sparse: context imbalance in
'igmp6_mcf_get_idx' - wrong count at exit
net/ipv6/mcast.c:2870:9: sparse: sparse: context imbalance in
'igmp6_mcf_seq_next' - wrong count at exit
net/ipv6/mcast.c:2883:17: sparse: sparse: context imbalance in
'igmp6_mcf_seq_stop' - unexpected unlock
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=931ca7ab7fe804d77bc6952f1512950c0d870f26
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout 931ca7ab7fe804d77bc6952f1512950c0d870f26
vim +606 net/ipv6/mcast.c
^1da177e4c3f41 Linus Torvalds2005-04-16 548
^1da177e4c3f41 Linus Torvalds2005-04-16 549 int ip6_mc_msfget(struct sock
*sk, struct group_filter *gsf,
931ca7ab7fe804 Al Viro 2020-03-29 550struct sockaddr_storage
*p)
^1da177e4c3f41 Linus Torvalds2005-04-16 551 {
^1da177e4c3f41 Linus Torvalds2005-04-16 552int err, i, count,
copycount;
b71d1d426d263b Eric Dumazet 2011-04-22 553const struct in6_addr
*group;
^1da177e4c3f41 Linus Torvalds2005-04-16 554struct ipv6_mc_socklist
*pmc;
^1da177e4c3f41 Linus Torvalds2005-04-16 555struct inet6_dev *idev;
^1da177e4c3f41 Linus Torvalds2005-04-16 556struct ipv6_pinfo
*inet6 = inet6_sk(sk);
^1da177e4c3f41 Linus Torvalds2005-04-16 557struct ip6_sf_socklist
*psl;
3b1e0a655f8eba YOSHIFUJI Hideaki 2008-03-26 558struct net *net =
sock_net(sk);
^1da177e4c3f41 Linus Torvalds2005-04-16 559
^1da177e4c3f41 Linus Torvalds2005-04-16 560group = &((struct
sockaddr_in6 *)&gsf->gf_group)->sin6_addr;
^1da177e4c3f41 Linus Torvalds2005-04-16 561
^1da177e4c3f41 Linus Torvalds2005-04-16 562if
(!ipv6_addr_is_multicast(group))
^1da177e4c3f41 Linus Torvalds2005-04-16 563return -EINVAL;
^1da177e4c3f41 Linus Torvalds2005-04-16 564
96b52e61be1ad4 Eric Dumazet 2010-06-07 565rcu_read_lock();
96b52e61be1ad4 Eric Dumazet 2010-06-07 566idev
[kbuild] [linux-next:master 3942/14131] drivers/cdrom/cdrom.c:3597:42: sparse: got void [noderef] *buffer
CC: kbuild-...@lists.01.org
TO: "Christoph, Hellwig,"
CC: Al Viro
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: 32927393dc1ccd60fb2bdc05b9e8e88753761469 [3942/14131] sysctl: pass
kernel pointers to ->proc_handler
:: branch date: 3 days ago
:: commit date: 5 weeks ago
config: i386-randconfig-s001-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 32927393dc1ccd60fb2bdc05b9e8e88753761469
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
drivers/cdrom/cdrom.c:3597:42: sparse: sparse: incorrect type in argument 3
(different address spaces) @@ expected void * @@ got void [noderef]
*buffer @@
drivers/cdrom/cdrom.c:3597:42: sparse: expected void *
>> drivers/cdrom/cdrom.c:3597:42: sparse: got void [noderef] *buffer
drivers/cdrom/cdrom.c:3665:35: sparse: sparse: incorrect type in initializer
(incompatible argument 3 (different address spaces)) @@ expected int (
[usertype] *proc_handler )( ... ) @@ got int ( * )( ... ) @@
drivers/cdrom/cdrom.c:3665:35: sparse: expected int ( [usertype]
*proc_handler )( ... )
>> drivers/cdrom/cdrom.c:3665:35: sparse: got int ( * )( ... )
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=32927393dc1ccd60fb2bdc05b9e8e88753761469
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout 32927393dc1ccd60fb2bdc05b9e8e88753761469
vim +3597 drivers/cdrom/cdrom.c
554988d6fe3697 Dave Young2007-06-19 3519
90a3b89e00658b Joe Perches 2014-06-06 3520 static int
cdrom_sysctl_info(struct ctl_table *ctl, int write,
^1da177e4c3f41 Linus Torvalds2005-04-16 3521
void __user *buffer, size_t *lenp, loff_t *ppos)
^1da177e4c3f41 Linus Torvalds2005-04-16 3522 {
^1da177e4c3f41 Linus Torvalds2005-04-16 3523 int pos;
^1da177e4c3f41 Linus Torvalds2005-04-16 3524 char *info =
cdrom_sysctl_settings.info;
554988d6fe3697 Dave Young2007-06-19 3525 const int max_size =
sizeof(cdrom_sysctl_settings.info);
^1da177e4c3f41 Linus Torvalds2005-04-16 3526
^1da177e4c3f41 Linus Torvalds2005-04-16 3527 if (!*lenp || (*ppos &&
!write)) {
^1da177e4c3f41 Linus Torvalds2005-04-16 3528 *lenp = 0;
^1da177e4c3f41 Linus Torvalds2005-04-16 3529 return 0;
^1da177e4c3f41 Linus Torvalds2005-04-16 3530 }
^1da177e4c3f41 Linus Torvalds2005-04-16 3531
554988d6fe3697 Dave Young2007-06-19 3532
mutex_lock(&cdrom_mutex);
^1da177e4c3f41 Linus Torvalds2005-04-16 3533
554988d6fe3697 Dave Young2007-06-19 3534 pos = sprintf(info,
"CD-ROM information, " VERSION "\n");
^1da177e4c3f41 Linus Torvalds2005-04-16 3535
554988d6fe3697 Dave Young2007-06-19 3536 if
(cdrom_print_info("\ndrive name:\t", 0, info, &pos, CTL_NAME))
554988d6fe3697 Dave Young2007-06-19 3537 goto done;
554988d6fe3697 Dave Young2007-06-19 3538 if
(cdrom_print_info("\ndrive speed:\t", 0, info, &pos, CTL_SPEED))
554988d6fe3697 Dave Young2007-06-19 3539 goto done;
554988d6fe3697 Dave Young2007-06-19 3540 if
(cdrom_print_info("\ndrive # of slots:", 0, info, &pos, CTL_SLOTS))
554988d6fe3697 Dave Young2007-06-19 3541 goto done;
554988d6fe3697 Dave Young2007-06-19 3542 if
(cdrom_print_info("\nCan close tray:\t",
554988d6fe3697 Dave Young2007-06-19 3543
CDC_CLOSE_TRAY, info, &pos, CTL_CAPABILITY))
554988d6fe3697 Dave Young2007-06-19 3544 goto done;
554988d6fe3697 Dave Young2007-06-19 3545 if
(cdrom_print_info("\nCan open tray:\t",
554988d6fe3697 Dave Young2007-06-19 3546
CDC_OPEN_TRAY, info, &pos, CTL_CAPABILITY))
554988d6fe3697 Dave Young2007-06-19 3547 goto done;
554988d6fe3697 Dave Young2007-06-19 3548 if
(cdrom_print_info("\nCan lock tray:\t",
554988d6fe3697 Dave Young2007-06-19 3549
CDC_LOCK, info, &pos, CTL_CAPABILITY))
554988d6fe3697 Dave Young2007-06-19 3550 goto done;
554988d6fe3697 Dave Young2007-06-19 3551 if
(cdrom_pr
[kbuild] [linux-next:master 3942/14131] net/core/sysctl_net_core.c:129:42: sparse: expected char const [noderef] *buf
CC: kbuild-...@lists.01.org
TO: "Christoph, Hellwig,"
CC: Al Viro
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: 32927393dc1ccd60fb2bdc05b9e8e88753761469 [3942/14131] sysctl: pass
kernel pointers to ->proc_handler
:: branch date: 3 days ago
:: commit date: 5 weeks ago
config: ia64-randconfig-s032-20200601 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 32927393dc1ccd60fb2bdc05b9e8e88753761469
# save the attached .config to linux build tree
make W=1 C=1 ARCH=ia64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
net/core/sysctl_net_core.c:129:42: sparse: sparse: incorrect type in
argument 1 (different address spaces) @@ expected char const [noderef]
*buf @@ got void *buffer @@
>> net/core/sysctl_net_core.c:129:42: sparse: expected char const [noderef]
>> *buf
net/core/sysctl_net_core.c:129:42: sparse: got void *buffer
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=32927393dc1ccd60fb2bdc05b9e8e88753761469
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout 32927393dc1ccd60fb2bdc05b9e8e88753761469
vim +129 net/core/sysctl_net_core.c
99bbc70741903c Willem de Bruijn 2013-05-20 116
fe2c6338fd2c6f Joe Perches 2013-06-11 117 static int
flow_limit_cpu_sysctl(struct ctl_table *table, int write,
32927393dc1ccd Christoph Hellwig 2020-04-24 118
void *buffer, size_t *lenp, loff_t *ppos)
99bbc70741903c Willem de Bruijn 2013-05-20 119 {
99bbc70741903c Willem de Bruijn 2013-05-20 120struct sd_flow_limit
*cur;
99bbc70741903c Willem de Bruijn 2013-05-20 121struct softnet_data *sd;
99bbc70741903c Willem de Bruijn 2013-05-20 122cpumask_var_t mask;
99bbc70741903c Willem de Bruijn 2013-05-20 123int i, len, ret = 0;
99bbc70741903c Willem de Bruijn 2013-05-20 124
99bbc70741903c Willem de Bruijn 2013-05-20 125if
(!alloc_cpumask_var(&mask, GFP_KERNEL))
99bbc70741903c Willem de Bruijn 2013-05-20 126return -ENOMEM;
99bbc70741903c Willem de Bruijn 2013-05-20 127
99bbc70741903c Willem de Bruijn 2013-05-20 128if (write) {
99bbc70741903c Willem de Bruijn 2013-05-20 @129ret =
cpumask_parse_user(buffer, *lenp, mask);
99bbc70741903c Willem de Bruijn 2013-05-20 130if (ret)
99bbc70741903c Willem de Bruijn 2013-05-20 131goto
done;
99bbc70741903c Willem de Bruijn 2013-05-20 132
99bbc70741903c Willem de Bruijn 2013-05-20 133
mutex_lock(&flow_limit_update_mutex);
99bbc70741903c Willem de Bruijn 2013-05-20 134len =
sizeof(*cur) + netdev_flow_limit_table_len;
99bbc70741903c Willem de Bruijn 2013-05-20 135
for_each_possible_cpu(i) {
99bbc70741903c Willem de Bruijn 2013-05-20 136sd =
&per_cpu(softnet_data, i);
99bbc70741903c Willem de Bruijn 2013-05-20 137cur =
rcu_dereference_protected(sd->flow_limit,
99bbc70741903c Willem de Bruijn 2013-05-20 138
lockdep_is_held(&flow_limit_update_mutex));
99bbc70741903c Willem de Bruijn 2013-05-20 139if (cur
&& !cpumask_test_cpu(i, mask)) {
99bbc70741903c Willem de Bruijn 2013-05-20 140
RCU_INIT_POINTER(sd->flow_limit, NULL);
99bbc70741903c Willem de Bruijn 2013-05-20 141
synchronize_rcu();
99bbc70741903c Willem de Bruijn 2013-05-20 142
kfree(cur);
99bbc70741903c Willem de Bruijn 2013-05-20 143} else
if (!cur && cpumask_test_cpu(i, mask)) {
5b59d467ad9ff9 Eric Dumazet 2013-12-18 144
cur = kzalloc_node(len, GFP_KERNEL,
5b59d467ad9ff9 Eric Dumazet 2013-12-18 145
cpu_to_node(i));
99bbc70741903c Willem de Bruijn 2013-05-20 146
if (!cur) {
99bbc70741903c Willem de Bruijn 2013-05-20 147
/* not unwinding previous changes */
99bbc70741903c Willem de Bruijn 2013-05-20 148
ret = -ENOMEM;
99bbc70741903c Willem de Bruijn 2013-05-20 149
goto write_unlock;
99bbc70741903c Willem de Bruijn 2013-05-20 150
}
99bbc70741903c Wil
[kbuild] drivers/net/dsa/bcm_sf2_cfp.c:350:44: sparse: expected restricted __be16 [usertype] vlan_m_tci
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Florian, Fainelli,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
commit: 7555020c44db75a0d934dffc0aa6c678b52b2a13 net: dsa: bcm_sf2: Add support
for matching VLAN TCI
date: 9 weeks ago
:: branch date: 12 hours ago
:: commit date: 9 weeks ago
config: x86_64-randconfig-s022-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 7555020c44db75a0d934dffc0aa6c678b52b2a13
# save the attached .config to linux build tree
make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
drivers/net/dsa/bcm_sf2_cfp.c:350:44: sparse: sparse: incorrect type in
initializer (different base types) @@ expected restricted __be16 [usertype]
vlan_m_tci @@ got int @@
>> drivers/net/dsa/bcm_sf2_cfp.c:350:44: sparse: expected restricted __be16
>> [usertype] vlan_m_tci
drivers/net/dsa/bcm_sf2_cfp.c:350:44: sparse: got int
drivers/net/dsa/bcm_sf2_cfp.c:631:43: sparse: sparse: incorrect type in
initializer (different base types) @@ expected restricted __be16 [usertype]
vlan_m_tci @@ got int @@
drivers/net/dsa/bcm_sf2_cfp.c:631:43: sparse: expected restricted __be16
[usertype] vlan_m_tci
drivers/net/dsa/bcm_sf2_cfp.c:631:43: sparse: got int
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7555020c44db75a0d934dffc0aa6c678b52b2a13
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout 7555020c44db75a0d934dffc0aa6c678b52b2a13
vim +350 drivers/net/dsa/bcm_sf2_cfp.c
bc3fc44c12d6a4 Florian Fainelli 2017-10-20 343
3306145866b62f Florian Fainelli 2017-10-20 344 static int
bcm_sf2_cfp_ipv4_rule_set(struct bcm_sf2_priv *priv, int port,
3306145866b62f Florian Fainelli 2017-10-20 345
unsigned int port_num,
3306145866b62f Florian Fainelli 2017-10-20 346
unsigned int queue_num,
3306145866b62f Florian Fainelli 2017-10-20 347
struct ethtool_rx_flow_spec *fs)
3306145866b62f Florian Fainelli 2017-10-20 348 {
e4f7ef54cbd8c8 Pablo Neira Ayuso 2019-02-02 349struct
ethtool_rx_flow_spec_input input = {};
7555020c44db75 Florian Fainelli 2020-03-30 @350__be16 vlan_tci = 0 ,
vlan_m_tci = 0x;
3306145866b62f Florian Fainelli 2017-10-20 351const struct
cfp_udf_layout *layout;
3306145866b62f Florian Fainelli 2017-10-20 352unsigned int slice_num,
rule_index;
e4f7ef54cbd8c8 Pablo Neira Ayuso 2019-02-02 353struct
ethtool_rx_flow_rule *flow;
e4f7ef54cbd8c8 Pablo Neira Ayuso 2019-02-02 354struct
flow_match_ipv4_addrs ipv4;
e4f7ef54cbd8c8 Pablo Neira Ayuso 2019-02-02 355struct flow_match_ports
ports;
e4f7ef54cbd8c8 Pablo Neira Ayuso 2019-02-02 356struct flow_match_ip ip;
3306145866b62f Florian Fainelli 2017-10-20 357u8 ip_proto, ip_frag;
3306145866b62f Florian Fainelli 2017-10-20 358u8 num_udf;
3306145866b62f Florian Fainelli 2017-10-20 359u32 reg;
3306145866b62f Florian Fainelli 2017-10-20 360int ret;
7318166cacad15 Florian Fainelli 2017-01-30 361
7318166cacad15 Florian Fainelli 2017-01-30 362switch (fs->flow_type &
~FLOW_EXT) {
7318166cacad15 Florian Fainelli 2017-01-30 363case TCP_V4_FLOW:
7318166cacad15 Florian Fainelli 2017-01-30 364ip_proto =
IPPROTO_TCP;
7318166cacad15 Florian Fainelli 2017-01-30 365break;
7318166cacad15 Florian Fainelli 2017-01-30 366case UDP_V4_FLOW:
7318166cacad15 Florian Fainelli 2017-01-30 367ip_proto =
IPPROTO_UDP;
7318166cacad15 Florian Fainelli 2017-01-30 368break;
7318166cacad15 Florian Fainelli 2017-01-30 369default:
7318166cacad15 Florian Fainelli 2017-01-30 370return -EINVAL;
7318166cacad15 Florian Fainelli 2017-01-30 371}
7318166cacad15 Florian Fainelli 2017-01-30 372
7c3125f0a6ebc1 Florian Fainelli 2019-12-20 373ip_frag =
!!(be32_to_cpu(fs->h_ext.data[0]) & 1);
3306145866b62f Florian Fainelli 2017-10-20 374
7555020c44db75 Florian Fainelli 2020-03-30 375/* Extract VLAN TCI */
7555020c44db75 Florian Fainelli 2020-03-30 376if (fs->flow_type &
FLOW_EXT) {
7555020c44db75 Florian Fainelli 2020-03-30 377vlan_tci =
fs->h_ext.vlan_tci;
7555020c44db75 Florian Fainelli 2020-03-30 378vlan_m_tci =
fs->
[kbuild] [linux-next:master 5305/14131] net/sched/cls_api.c:3719:9: sparse: sparse: context imbalance in 'tc_setup_flow_action' - different lock contexts for basic block
CC: kbuild-...@lists.01.org
TO: "Po, Liu,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
commit: d29bdd69ecdd70e8e3c2268fc8e188d6ab55e54a [5305/14131] net: schedule:
add action gate offloading
:: branch date: 3 days ago
:: commit date: 4 weeks ago
config: i386-randconfig-s001-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout d29bdd69ecdd70e8e3c2268fc8e188d6ab55e54a
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
net/sched/cls_api.c:270:22: sparse: sparse: incorrect type in assignment
(different base types) @@ expected restricted __be16 [usertype] protocol @@
got unsigned int [usertype] protocol @@
net/sched/cls_api.c:270:22: sparse: expected restricted __be16
[usertype] protocol
net/sched/cls_api.c:270:22: sparse: got unsigned int [usertype] protocol
net/sched/cls_api.c:1727:16: sparse: sparse: incompatible types in
comparison expression (different address spaces):
net/sched/cls_api.c:1727:16: sparse:struct tcf_proto *
net/sched/cls_api.c:1727:16: sparse:struct tcf_proto [noderef] *
net/sched/cls_api.c:1827:20: sparse: sparse: incompatible types in
comparison expression (different address spaces):
net/sched/cls_api.c:1827:20: sparse:struct tcf_proto [noderef] *
net/sched/cls_api.c:1827:20: sparse:struct tcf_proto *
net/sched/cls_api.c:1789:25: sparse: sparse: incompatible types in
comparison expression (different address spaces):
net/sched/cls_api.c:1789:25: sparse:struct tcf_proto [noderef] *
net/sched/cls_api.c:1789:25: sparse:struct tcf_proto *
net/sched/cls_api.c:1809:16: sparse: sparse: incompatible types in
comparison expression (different address spaces):
net/sched/cls_api.c:1809:16: sparse:struct tcf_proto *
net/sched/cls_api.c:1809:16: sparse:struct tcf_proto [noderef] *
net/sched/cls_api.c:1874:25: sparse: sparse: restricted __be16 degrades to
integer
net/sched/cls_api.c:2538:50: sparse: sparse: restricted __be16 degrades to
integer
>> net/sched/cls_api.c:3719:9: sparse: sparse: context imbalance in
>> 'tc_setup_flow_action' - different lock contexts for basic block
#
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=d29bdd69ecdd70e8e3c2268fc8e188d6ab55e54a
git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git remote update linux-next
git checkout d29bdd69ecdd70e8e3c2268fc8e188d6ab55e54a
vim +/tc_setup_flow_action +3719 net/sched/cls_api.c
d29bdd69ecdd70 Po Liu 2020-05-01 3550
3a7b68617de749 Pablo Neira Ayuso2019-02-02 3551 int
tc_setup_flow_action(struct flow_action *flow_action,
b15e7a6e8d31d6 Vlad Buslov 2020-02-17 3552
const struct tcf_exts *exts)
3a7b68617de749 Pablo Neira Ayuso2019-02-02 3553 {
7a47281439ba00 Vlad Buslov 2020-02-17 3554struct
tc_action *act;
9838b20a7fb28c Vlad Buslov 2019-08-26 3555int i, j, k,
err = 0;
3a7b68617de749 Pablo Neira Ayuso2019-02-02 3556
0dfb2d82af4cd7 Jakub Kicinski 2020-03-19 3557
BUILD_BUG_ON(TCA_ACT_HW_STATS_ANY != FLOW_ACTION_HW_STATS_ANY);
0dfb2d82af4cd7 Jakub Kicinski 2020-03-19 3558
BUILD_BUG_ON(TCA_ACT_HW_STATS_IMMEDIATE != FLOW_ACTION_HW_STATS_IMMEDIATE);
0dfb2d82af4cd7 Jakub Kicinski 2020-03-19 3559
BUILD_BUG_ON(TCA_ACT_HW_STATS_DELAYED != FLOW_ACTION_HW_STATS_DELAYED);
44f8658017419d Jiri Pirko 2020-03-07 3560
3a7b68617de749 Pablo Neira Ayuso2019-02-02 3561if (!exts)
3a7b68617de749 Pablo Neira Ayuso2019-02-02 3562return
0;
3a7b68617de749 Pablo Neira Ayuso2019-02-02 3563
3a7b68617de749 Pablo Neira Ayuso2019-02-02 3564j = 0;
3a7b68617de749 Pablo Neira Ayuso2019-02-02 3565
tcf_exts_for_each_action(i, act, exts) {
3a7b68617de749 Pablo Neira Ayuso2019-02-02 3566struct
flow_action_entry *entry;
3a7b68617de749 Pablo Neira Ayuso2019-02-02 3567
3a7b68617de749 Pablo Neira Ayuso2019-02-02 3568entry =
&flow_action->entries[j];
7a47281439ba00 Vlad Buslov 2020-02-17 3569
spin_lock_bh(&act->tcfa_lock);
2008495d81159a Jiri Pirko 2020-02-25 3570err =
tcf_act_get_cookie(entry, act);
2008495d81159a Jiri Pirko 2020-02-25 3571
[kbuild] arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address space '' of expression
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Al, Viro,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
commit: 57d563c8292569f2849569853e846bf740df5032 x86: ia32_setup_rt_frame():
consolidate uaccess areas
date: 10 weeks ago
:: branch date: 9 hours ago
:: commit date: 10 weeks ago
config: x86_64-randconfig-s021-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 57d563c8292569f2849569853e846bf740df5032
# save the attached .config to linux build tree
make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
>> arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
>> space '' of expression
arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: incorrect type in
argument 1 (different address spaces) @@ expected void const volatile
[noderef] * @@ got unsigned long long [usertype] * @@
arch/x86/ia32/ia32_signal.c:350:9: sparse: expected void const volatile
[noderef] *
arch/x86/ia32/ia32_signal.c:350:9: sparse: got unsigned long long
[usertype] *
>> arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
>> space '' of expression
>> arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
>> space '' of expression
>> arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
>> space '' of expression
>> arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
>> space '' of expression
>> arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
>> space '' of expression
>> arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
>> space '' of expression
>> arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
>> space '' of expression
>> arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
>> space '' of expression
>> arch/x86/ia32/ia32_signal.c:350:9: sparse: sparse: cast removes address
>> space '' of expression
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=57d563c8292569f2849569853e846bf740df5032
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout 57d563c8292569f2849569853e846bf740df5032
vim +350 arch/x86/ia32/ia32_signal.c
^1da177e4c3f41 arch/x86_64/ia32/ia32_signal.c Linus Torvalds2005-04-16 299
235b80226b986d arch/x86/ia32/ia32_signal.cAl Viro 2012-11-09 300
int ia32_setup_rt_frame(int sig, struct ksignal *ksig,
^1da177e4c3f41 arch/x86_64/ia32/ia32_signal.c Linus Torvalds2005-04-16 301
compat_sigset_t *set, struct pt_regs *regs)
^1da177e4c3f41 arch/x86_64/ia32/ia32_signal.c Linus Torvalds2005-04-16 302
{
3b0d29ee1c73b6 arch/x86/ia32/ia32_signal.cHiroshi Shimamoto 2008-12-17 303
struct rt_sigframe_ia32 __user *frame;
af65d64845a90c arch/x86/ia32/ia32_signal.cRoland McGrath2008-01-30 304
void __user *restorer;
44a1d996325982 arch/x86/ia32/ia32_signal.cAl Viro 2020-02-15 305
void __user *fp = NULL;
^1da177e4c3f41 arch/x86_64/ia32/ia32_signal.c Linus Torvalds2005-04-16 306
57d563c8292569 arch/x86/ia32/ia32_signal.cAl Viro 2020-02-15 307
/* unsafe_put_user optimizes that into a single 8 byte store */
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 308
static const struct {
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 309
u8 movl;
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 310
u32 val;
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 311
u16 int80;
9cc3c49ed1b1db arch/x86/ia32/ia32_signal.cHiroshi Shimamoto 2008-11-11 312
u8 pad;
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 313
} __attribute__((packed)) code = {
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 314
0xb8,
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 315
__NR_ia32_rt_sigreturn,
99b9cdf758af70 arch/x86/ia32/ia32_signal.cThomas Gleixner 2008-01-30 316
0x80cd,
99b9cdf758af70 arch/x86/ia32/ia32_signal.cTh
[kbuild] net/netlink/af_netlink.c:2585:13: sparse: sparse: context imbalance in 'netlink_seq_start' - wrong count at exit
CC: kbuild-...@lists.01.org
CC: linux-ker...@vger.kernel.org
TO: "Jules, Irenge,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
commit: 64fbca011976ce1564f191f4154e4a6ade25779a net: Add missing annotation
for *netlink_seq_start()
date: 3 months ago
:: branch date: 9 hours ago
:: commit date: 3 months ago
config: i386-randconfig-s002-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout 64fbca011976ce1564f191f4154e4a6ade25779a
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
net/netlink/af_netlink.c:2543:13: sparse: sparse: context imbalance in
'netlink_walk_start' - wrong count at exit
net/netlink/af_netlink.c:2549:13: sparse: sparse: context imbalance in
'netlink_walk_stop' - unexpected unlock
>> net/netlink/af_netlink.c:2585:13: sparse: sparse: context imbalance in
>> 'netlink_seq_start' - wrong count at exit
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=64fbca011976ce1564f191f4154e4a6ade25779a
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git remote update linus
git checkout 64fbca011976ce1564f191f4154e4a6ade25779a
vim +/netlink_seq_start +2585 net/netlink/af_netlink.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 2584
56d28b1e921b57 Herbert Xu 2015-02-04 @2585 static void
*netlink_seq_start(struct seq_file *seq, loff_t *posp)
64fbca011976ce Jules Irenge 2020-03-11 2586 __acquires(RCU)
56d28b1e921b57 Herbert Xu 2015-02-04 2587 {
56d28b1e921b57 Herbert Xu 2015-02-04 2588 struct nl_seq_iter
*iter = seq->private;
56d28b1e921b57 Herbert Xu 2015-02-04 2589 void *obj =
SEQ_START_TOKEN;
56d28b1e921b57 Herbert Xu 2015-02-04 2590 loff_t pos;
^1da177e4c3f41 Linus Torvalds 2005-04-16 2591
56d28b1e921b57 Herbert Xu 2015-02-04 2592 iter->link = 0;
56d28b1e921b57 Herbert Xu 2015-02-04 2593
abf9979f7ef34e Taehee Yoo 2019-06-10 2594
netlink_walk_start(iter);
56d28b1e921b57 Herbert Xu 2015-02-04 2595
56d28b1e921b57 Herbert Xu 2015-02-04 2596 for (pos = *posp; pos
&& obj && !IS_ERR(obj); pos--)
56d28b1e921b57 Herbert Xu 2015-02-04 2597 obj =
__netlink_seq_next(seq);
56d28b1e921b57 Herbert Xu 2015-02-04 2598
56d28b1e921b57 Herbert Xu 2015-02-04 2599 return obj;
56d28b1e921b57 Herbert Xu 2015-02-04 2600 }
56d28b1e921b57 Herbert Xu 2015-02-04 2601
:: The code at line 2585 was first introduced by commit
:: 56d28b1e921b57b918a0ae6b13a1671115fe788d netlink: Use rhashtable walk
iterator
:: TO: Herbert Xu
:: CC: David S. Miller
---
0-DAY CI Kernel Test Service, Intel Corporation
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[kbuild] [block:async-readahead 15/20] fs/nfs/read.c:405:5: sparse: int extern [addressable] [signed] [toplevel] nfs_readpages( ... )
CC: kbuild-...@lists.01.org
TO: "Jens, Axboe,"
tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
async-readahead
head: 77ca3affd737b5ca9f4222ead263a55b5a663e79
commit: ed611876580275e085cba3bb9c1f948ad5d882ab [15/20] fs: make
aops->readpages() take kiocb argument
:: branch date: 4 hours ago
:: commit date: 6 hours ago
config: i386-randconfig-s002-20200601 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-243-gc100a7ab-dirty
git checkout ed611876580275e085cba3bb9c1f948ad5d882ab
# save the attached .config to linux build tree
make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot
sparse warnings: (new ones prefixed by >>)
>> fs/nfs/file.c:515:22: sparse: sparse: incorrect type in initializer
>> (incompatible argument 1 (different base types)) @@ expected int (
>> *readpages )( ... ) @@ got int ( * )( ... ) @@
>> fs/nfs/file.c:515:22: sparse: expected int ( *readpages )( ... )
>> fs/nfs/file.c:515:22: sparse: got int ( * )( ... )
--
fs/nfs/read.c:405:5: sparse: sparse: symbol 'nfs_readpages' redeclared with
different type (incompatible argument 1 (different base types)):
>> fs/nfs/read.c:405:5: sparse:int extern [addressable] [signed] [toplevel]
>> nfs_readpages( ... )
>> include/linux/nfs_fs.h:553:13: sparse: note: previously declared as:
>> include/linux/nfs_fs.h:553:13: sparse:int extern [addressable] [signed]
>> [toplevel] nfs_readpages( ... )
#
https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?id=ed611876580275e085cba3bb9c1f948ad5d882ab
git remote add block
https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
git remote update block
git checkout ed611876580275e085cba3bb9c1f948ad5d882ab
vim +405 fs/nfs/read.c
^1da177e4c3f41 Linus Torvalds2005-04-16 404
ed611876580275 Jens Axboe2020-05-31 @405 int nfs_readpages(struct
kiocb *kiocb, struct address_space *mapping,
^1da177e4c3f41 Linus Torvalds2005-04-16 406struct
list_head *pages, unsigned nr_pages)
^1da177e4c3f41 Linus Torvalds2005-04-16 407 {
ed611876580275 Jens Axboe2020-05-31 408struct file *filp =
kiocb->ki_filp;
8b09bee3083897 Trond Myklebust 2007-04-02 409struct
nfs_pageio_descriptor pgio;
a7d42ddb309972 Weston Andros Adamson 2014-09-19 410struct nfs_pgio_mirror
*pgm;
^1da177e4c3f41 Linus Torvalds2005-04-16 411struct nfs_readdesc
desc = {
8b09bee3083897 Trond Myklebust 2007-04-02 412.pgio = &pgio,
^1da177e4c3f41 Linus Torvalds2005-04-16 413};
^1da177e4c3f41 Linus Torvalds2005-04-16 414struct inode *inode =
mapping->host;
8b09bee3083897 Trond Myklebust 2007-04-02 415unsigned long npages;
5f004cf2aa8494 Trond Myklebust 2006-09-14 416int ret = -ESTALE;
^1da177e4c3f41 Linus Torvalds2005-04-16 417
1e8968c5b05823 Niels de Vos 2013-12-17 418dprintk("NFS:
nfs_readpages (%s/%Lu %d)\n",
^1da177e4c3f41 Linus Torvalds2005-04-16 419
inode->i_sb->s_id,
1e8968c5b05823 Niels de Vos 2013-12-17 420
(unsigned long long)NFS_FILEID(inode),
^1da177e4c3f41 Linus Torvalds2005-04-16 421
nr_pages);
91d5b47023b608 Chuck Lever 2006-03-20 422nfs_inc_stats(inode,
NFSIOS_VFSREADPAGES);
^1da177e4c3f41 Linus Torvalds2005-04-16 423
5f004cf2aa8494 Trond Myklebust 2006-09-14 424if (NFS_STALE(inode))
5f004cf2aa8494 Trond Myklebust 2006-09-14 425goto out;
5f004cf2aa8494 Trond Myklebust 2006-09-14 426
^1da177e4c3f41 Linus Torvalds2005-04-16 427if (filp == NULL) {
d530838bfa507d Trond Myklebust 2005-11-04 428desc.ctx =
nfs_find_open_context(inode, NULL, FMODE_READ);
^1da177e4c3f41 Linus Torvalds2005-04-16 429if (desc.ctx ==
NULL)
^1da177e4c3f41 Linus Torvalds2005-04-16 430return
-EBADF;
^1da177e4c3f41 Linus Torvalds2005-04-16 431} else
cd3758e37ddea6 Trond Myklebust 2007-08-10 432desc.ctx =
get_nfs_open_context(nfs_file_open_context(filp));
9a9fc1c03315f1 David Howells 2009-04-03 433
9a9fc1c03315f1 David Howells 2009-04-03 434/* attempt to read as
many of the pages as possible from the cache
9a9fc1c03315f1 David Howells 2009-04-03 435 * - this returns
-ENOBUFS immediately if the cookie is negative
9a9fc1c03315f1 David Howells 2009-04-03 436 */
9a9fc1c03315f1 David Howells 2009-0
