Am 2015-07-21 11:47, schrieb Borislav Petkov:
On Tue, Jul 21, 2015 at 11:00:53AM +0200, Michael Walle wrote:
The commit de3910eb79ac8c0f29a11224661c0ebaaf813039 changed the memory
allocation for the csrows member. But ppc4xx_edac was forgotten in the
patch. Fix it.
This is warning reported by the compiler:
drivers/edac/ppc4xx_edac.c: In function 'ppc4xx_edac_init_csrows':
drivers/edac/ppc4xx_edac.c:924:28: warning: initialization from
incompatible pointer type [enabled by default]
struct csrow_info *csi = &mci->csrows[row];
Cc: Doug Thompson <dougthomp...@xmission.com>
Cc: Mauro Carvalho Chehab <mche...@redhat.com>
Cc: linux-e...@vger.kernel.org
Signed-off-by: Michael Walle <mich...@walle.cc>
---
drivers/edac/ppc4xx_edac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/edac/ppc4xx_edac.c b/drivers/edac/ppc4xx_edac.c
index 0f04d5e..4c1991d 100644
--- a/drivers/edac/ppc4xx_edac.c
+++ b/drivers/edac/ppc4xx_edac.c
@@ -921,7 +921,7 @@ static int ppc4xx_edac_init_csrows(struct
mem_ctl_info *mci, u32 mcopt1)
*/
for (row = 0; row < mci->nr_csrows; row++) {
- struct csrow_info *csi = &mci->csrows[row];
+ struct csrow_info *csi = mci->csrows[row];
/*
* Get the configuration settings for this
Applied, thanks.
Your $Subject says "Fix kernel oops" - do we need to mark this one for
stable? It fixing a real bug and all...
Yes it is a real bug, see below:
Unable to handle kernel paging request for data at address 0x26efd108
Faulting instruction address: 0xc038a7a8
Oops: Kernel access of bad area, sig: 11 [#1]
PREEMPT PowerPC 40x Platform
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Not tainted 3.10.17-yocto-standard #10
task: df02ec00 ti: df040000 task.ti: df040000
NIP: c038a7a8 LR: c038a794 CTR: c0335840
REGS: df041c80 TRAP: 0300 Not tainted (3.10.17-yocto-standard)
MSR: 00029030 <EE,ME,IR,DR> CR: 22000084 XER: 20000000
DEAR: 26efd108, ESR: 00800000
GPR00: 00000001 df041d30 df02ec00 000000c1 00000001 00000000 c0336b50
000000b0
GPR08: c05c06a4 00000000 00020000 26efd000 22000024 00000000 00000004
df280000
GPR16: c054ab2c 00008000 0000a000 0000b000 00009000 00000001 00000003
df040000
GPR24: c05e0000 df26ff60 df07ba00 c054a8c0 c054a8c8 00000005 0000000b
00000000
NIP [c038a7a8] ppc4xx_edac_probe+0x528/0x760
LR [c038a794] ppc4xx_edac_probe+0x514/0x760
Call Trace:
[df041d30] [c038a794] ppc4xx_edac_probe+0x514/0x760 (unreliable)
[df041db0] [c03473f8] really_probe+0x78/0x270
[df041dd0] [c0347768] __driver_attach+0xc8/0xd0
[df041df0] [c0345158] bus_for_each_dev+0x68/0xc0
[df041e20] [c03469b8] bus_add_driver+0x208/0x2c0
[df041e40] [c0347f78] driver_register+0x88/0x1d0
[df041e60] [c0002688] do_one_initcall+0x158/0x1c0
[df041e90] [c05828bc] kernel_init_freeable+0x120/0x1f4
[df041f20] [c0002ca4] kernel_init+0x14/0x170
[df041f40] [c000d054] ret_from_kernel_thread+0x5c/0x64
Instruction dump:
7f26cb78 7ea8ab78 3ab50001 81670008 7d695b78 91610030 48108f8d 813900f4
8141002c 80010034 81610030 7d2a4b96 <900b0108> 93cb0110 92cb010c
93ab0114
---[ end trace 84652655114fec1e ]---
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
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