From: Borislav Petkov <bp@alien8.de>
Date: Sun, 21 Oct 2012 16:57:56 +0000 (+0200)
Subject: libata debugging: Warn when unable to find timing descriptor based on xfer_mode
X-Git-Tag: v3.7-rc7~36^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cd705d5ad49bb8894dda2726dcaef8f63ddeba43;p=pandora-kernel.git

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>
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