ring-buffer: Fix memleak in ring_buffer_free()

commit bd3f02212d6a457267e0c9c02c426151c436d9d4 upstream.

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>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 960cbf44c844a17dd156b25927d6e98c89840600..4565c62114344fca2e7afb00baf1cc932914f041 100644 (file)
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -695,6 +695,7 @@ ring_buffer_free(struct ring_buffer *buffer)
 
        put_online_cpus();
 
+       kfree(buffer->buffers);
        free_cpumask_var(buffer->cpumask);
 
        kfree(buffer);