linux-kernel - [tip:tracing/urgent] ring-buffer: Fix memleak in ring_buffer

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Date:	Sat, 8 Aug 2009 14:57:37 GMT
From:	tip-bot for Eric Dumazet <eric.dumazet@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	eric.dumazet@...il.com, rostedt@...dmis.org, tglx@...utronix.de
Subject: [tip:tracing/urgent] ring-buffer: Fix memleak in ring_buffer_free()

Commit-ID:  bd3f02212d6a457267e0c9c02c426151c436d9d4
Gitweb:     http://git.kernel.org/tip/bd3f02212d6a457267e0c9c02c426151c436d9d4
Author:     Eric Dumazet <eric.dumazet@...il.com>
AuthorDate: Fri, 7 Aug 2009 12:49:29 +0200
Committer:  Steven Rostedt <rostedt@...dmis.org>
CommitDate: Fri, 7 Aug 2009 12:46:39 -0400

ring-buffer: Fix memleak in ring_buffer_free()

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

Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
LKML-Reference: <4A7C06B9.2090302@...il.com>
Cc: stable@...nel.org
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>


---
 kernel/trace/ring_buffer.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index d4d3580..a330513 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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