From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 7 Aug 2009 10:49:29 +0000 (+0200)
Subject: ring-buffer: Fix memleak in ring_buffer_free()
X-Git-Tag: firefly_0821_release~13000^2~78
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bd3f02212d6a457267e0c9c02c426151c436d9d4;p=firefly-linux-kernel-4.4.55.git

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@gmail.com>
LKML-Reference: <4A7C06B9.2090302@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index d4d3580a894a..a330513d96ce 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);