From: Steven Rostedt <srostedt@redhat.com>
Date: Wed, 6 May 2009 16:40:51 +0000 (-0400)
Subject: ring-buffer: check for failed allocation in ring buffer benchmark
X-Git-Tag: v2.6.31-rc1~401^2~72
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=00c81a58c5b4e0de14ee33bfbc3d71c90f69f9ea;p=pandora-kernel.git

ring-buffer: check for failed allocation in ring buffer benchmark

The result of the allocation of the ring buffer read page in the
ring buffer bench mark does not check the return to see if a page
was actually allocated. This patch fixes that.

[ Impact: avoid NULL dereference ]

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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