From 3e1fbd12c958591695f89b11f9c6ec08d002e358 Mon Sep 17 00:00:00 2001
From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Fri, 22 Dec 2006 01:10:02 -0800
Subject: [PATCH] [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>
---
 kernel/auditfilter.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 2e896f8ae29e..9c8c23227c7f 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 */