linux-kernel - [PATCH] ring-buffer: Fix memleak in ring_buffer

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Message-ID: <4A7C06B9.2090302@gmail.com>
Date:	Fri, 07 Aug 2009 12:49:29 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	linux kernel <linux-kernel@...r.kernel.org>, stable@...nel.org
Subject: [PATCH] ring-buffer: Fix memleak in ring_buffer_free()

I noticed oprofile memleaked in linux-2.6 current tree,
and tracked this ring-buffer leak.

This is a stable candidate.

[PATCH] ring-buffer: Fix memleak in ring_buffer_free()

Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
---
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index bf27bb7..c1d874e 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -735,6 +735,7 @@ ring_buffer_free(struct ring_buffer *buffer)
 
 	put_online_cpus();
 
+	kfree(buffer->buffers);
 	free_cpumask_var(buffer->cpumask);
 
 	kfree(buffer);
--
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