tree 4020ac7f88154d5dd919fdf371472ea9153a656e
parent ffd8d101a3a7d3f2e79deee1e342801703b6dc70
author Sasha Levin <sasha.levin@oracle.com> 1349395051 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1349840017 -0400

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>