From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Fri, 22 Dec 2006 09:10:02 +0000 (-0800)
Subject: [PATCH] audit: fix kstrdup() error check
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=3e1fbd12c958591695f89b11f9c6ec08d002e358;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[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>
---

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 */