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* [PATCH] kobject_set_name: free old_name in case of ENOMEM
@ 2009-09-09 16:53 Sebastian Ott
  2009-09-09 17:03 ` Greg KH
  0 siblings, 1 reply; 2+ messages in thread
From: Sebastian Ott @ 2009-09-09 16:53 UTC (permalink / raw)
  To: linux-kernel; +Cc: kay.sievers, gregkh


If the memory allocation for the kobject's name fails we should free
the old_name since it is no longer accessible via kobj->name.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
---
 lib/kobject.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Index: git.linux-2.6/lib/kobject.c
===================================================================
--- git.linux-2.6.orig/lib/kobject.c	2009-06-17 10:35:55.000000000 +0200
+++ git.linux-2.6/lib/kobject.c	2009-09-09 18:21:39.000000000 +0200
@@ -222,8 +222,10 @@ int kobject_set_name_vargs(struct kobjec
 		return 0;
 
 	kobj->name = kvasprintf(GFP_KERNEL, fmt, vargs);
-	if (!kobj->name)
+	if (!kobj->name) {
+		kfree(old_name);
 		return -ENOMEM;
+	}
 
 	/* ewww... some of these buggers have '/' in the name ... */
 	while ((s = strchr(kobj->name, '/')))

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2009-09-09 17:20 UTC | newest]

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2009-09-09 16:53 [PATCH] kobject_set_name: free old_name in case of ENOMEM Sebastian Ott
2009-09-09 17:03 ` Greg KH

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