From: Arjan van de Ven <arjan@linux.intel.com>
Date: Sat, 11 Oct 2008 04:16:12 +0000 (-0700)
Subject: security: avoid calling a NULL function pointer in drivers/video/tvaudio.c
X-Git-Tag: v2.6.28-rc1~715
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5ba2f67afb02c5302b2898949ed6fc3b3d37dcf1;p=pandora-kernel.git

security: avoid calling a NULL function pointer in drivers/video/tvaudio.c

NULL function pointers are very bad security wise. This one got caught by
kerneloops.org quite a few times, so it's happening in the field....

Fix is simple, check the function pointer for NULL, like 6 other places
in the same function are already doing.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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