From: Akinobu Mita <akinobu.mita@gmail.com>

kstrdup() returns NULL on error.

Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 kernel/auditfilter.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff -puN kernel/auditfilter.c~audit-fix-kstrdup-error-check kernel/auditfilter.c
--- a/kernel/auditfilter.c~audit-fix-kstrdup-error-check
+++ a/kernel/auditfilter.c
@@ -801,8 +801,8 @@ static inline int audit_dupe_selinux_fie
 
 	/* our own copy of se_str */
 	se_str = kstrdup(sf->se_str, GFP_KERNEL);
-	if (unlikely(IS_ERR(se_str)))
-	    return -ENOMEM;
+	if (unlikely(!se_str))
+		return -ENOMEM;
 	df->se_str = se_str;
 
 	/* our own (refreshed) copy of se_rule */
_