tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 639d109b21f1413c54ca7042e40a57856e7679bb commit: f863ce990030cfc5a57a490b4613be4a523ffce1 [9330/9982] media: dvb: get rid of VIDEO_SET_SPU_PALETTE config: x86_64-kexec (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: git checkout f863ce990030cfc5a57a490b4613be4a523ffce1 # save the attached .config to linux build tree make ARCH=x86_64
Note: the linux-next/master HEAD 639d109b21f1413c54ca7042e40a57856e7679bb
builds fine.
It may have been fixed somewhere.
All errors (new ones prefixed by >>):
fs/compat_ioctl.c: In function 'do_video_set_spu_palette':
>> fs/compat_ioctl.c:218:45: error: invalid application of 'sizeof' to
>> incomplete type 'struct video_spu_palette'
up_native = compat_alloc_user_space(sizeof(struct video_spu_palette));
^~~~~~
In file included from include/linux/uaccess.h:14:0,
from include/linux/compat.h:19,
from fs/compat_ioctl.c:17:
>> fs/compat_ioctl.c:219:46: error: dereferencing pointer to incomplete type
>> 'struct video_spu_palette'
err = put_user(compat_ptr(palp), &up_native->palette);
^
arch/x86/include/asm/uaccess.h:257:15: note: in definition of macro
'put_user'
__typeof__(*(ptr)) __pu_val; \
^~~
arch/x86/include/asm/uaccess.h:260:11: warning: assignment makes integer
from pointer without a cast [-Wint-conversion]
__pu_val = x; \
^
fs/compat_ioctl.c:219:9: note: in expansion of macro 'put_user'
err = put_user(compat_ptr(palp), &up_native->palette);
^~~~~~~~
At top level:
fs/compat_ioctl.c:206:12: warning: 'do_video_set_spu_palette' defined but
not used [-Wunused-function]
static int do_video_set_spu_palette(struct file *file,
^~~~~~~~~~~~~~~~~~~~~~~~
vim +218 fs/compat_ioctl.c
6e87abd0 David S. Miller 2005-11-16 205
66cf191f Al Viro 2016-01-07 206 static int
do_video_set_spu_palette(struct file *file,
b4341721 Jann Horn 2016-01-05 207 unsigned int cmd,
struct compat_video_spu_palette __user *up)
6e87abd0 David S. Miller 2005-11-16 208 {
6e87abd0 David S. Miller 2005-11-16 209 struct video_spu_palette __user
*up_native;
6e87abd0 David S. Miller 2005-11-16 210 compat_uptr_t palp;
6e87abd0 David S. Miller 2005-11-16 211 int length, err;
6e87abd0 David S. Miller 2005-11-16 212
6e87abd0 David S. Miller 2005-11-16 213 err = get_user(palp,
&up->palette);
6e87abd0 David S. Miller 2005-11-16 214 err |= get_user(length,
&up->length);
12176503 Kees Cook 2012-10-25 215 if (err)
12176503 Kees Cook 2012-10-25 216 return -EFAULT;
6e87abd0 David S. Miller 2005-11-16 217
6e87abd0 David S. Miller 2005-11-16 @218 up_native =
compat_alloc_user_space(sizeof(struct video_spu_palette));
7116e994 Heiko Carstens 2006-12-06 @219 err =
put_user(compat_ptr(palp), &up_native->palette);
7116e994 Heiko Carstens 2006-12-06 220 err |= put_user(length,
&up_native->length);
7116e994 Heiko Carstens 2006-12-06 221 if (err)
7116e994 Heiko Carstens 2006-12-06 222 return -EFAULT;
6e87abd0 David S. Miller 2005-11-16 223
66cf191f Al Viro 2016-01-07 224 err = do_ioctl(file, cmd,
(unsigned long) up_native);
6e87abd0 David S. Miller 2005-11-16 225
6e87abd0 David S. Miller 2005-11-16 226 return err;
6e87abd0 David S. Miller 2005-11-16 227 }
6e87abd0 David S. Miller 2005-11-16 228
:::::: The code at line 218 was first introduced by commit
:::::: 6e87abd0b8cbb23ed9ffe5cc9f790fb5cac45eae [DVB]: Add compat ioctl
handling.
:::::: TO: David S. Miller <da...@sunset.davemloft.net>
:::::: CC: David S. Miller <da...@sunset.davemloft.net>
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