]> git.baikalelectronics.ru Git - kernel.git/commit
libata debugging: Warn when unable to find timing descriptor based on xfer_mode
authorBorislav Petkov <bp@alien8.de>
Sun, 21 Oct 2012 16:57:56 +0000 (18:57 +0200)
committerJeff Garzik <jgarzik@redhat.com>
Fri, 16 Nov 2012 04:51:11 +0000 (23:51 -0500)
commitca032ce2c11bf97cbacd8d5388c2d21b8f373ba4
treead7070ea0b7d25a52d5de67a5cf3a8369c2d9553
parentf3278e861e5d21396f91dba67a405601b9d14e39
libata debugging: Warn when unable to find timing descriptor based on xfer_mode

ata_timing_find_mode could return NULL which is not checked by all
low-level ATA drivers using it and cause a NULL ptr deref. Warn at least
so that possible issues can get fixed easily.

Signed-off-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
drivers/ata/libata-core.c