From: Chris Ball <cjb@laptop.org>
Date: Wed, 27 Apr 2011 21:35:31 +0000 (-0400)
Subject: mmc: sdhci: Check mrq != NULL in sdhci_tasklet_finish
X-Git-Tag: v2.6.39-rc6~4^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c9c99a765321104cc5f9c97f949382a9ba4927e;p=pandora-kernel.git

mmc: sdhci: Check mrq != NULL in sdhci_tasklet_finish

It seems that under certain circumstances the sdhci_tasklet_finish()
call can be entered with mrq set to NULL, causing the system to crash
with a NULL pointer de-reference.

Seen on S3C6410 system.  Based on a patch by Dimitris Papastamos.

Reported-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Cc: <stable@kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

Reading git-diff-tree failed