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

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Date:	Fri, 7 Aug 2009 11:15:05 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
cc:	linux kernel <linux-kernel@...r.kernel.org>, stable@...nel.org
Subject: Re: [PATCH] ring-buffer: Fix memleak in ring_buffer_free()



On Fri, 7 Aug 2009, Eric Dumazet wrote:

> I noticed oprofile memleaked in linux-2.6 current tree,
> and tracked this ring-buffer leak.
> 
> This is a stable candidate.

Thanks! I'll pull it in now.

-- Steve

> 
> [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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