From: Sasha Levin <sasha.levin@oracle.com>
Date: Thu, 4 Oct 2012 23:57:31 +0000 (-0400)
Subject: fs: handle failed audit_log_start properly
X-Git-Tag: v3.7-rc1~42^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d1c7d97ad58836affde6e39980b96527510b572e;p=pandora-kernel.git

fs: handle failed audit_log_start properly

audit_log_start() may return NULL, this is unchecked by the caller in
audit_log_link_denied() and could cause a NULL ptr deref.

Introduced by commit a51d9eaa ("fs: add link restriction audit reporting").

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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