[PATCH] audit: fix kstrdup() error check

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>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 2e896f8ae29..9c8c23227c7 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -800,8 +800,8 @@ static inline int audit_dupe_selinux_field(struct audit_field *df,
 
         /* 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 */