linux-kernel - Re: [PATCH] brcm80211: Don't leak 'vbuffer' in brcmf_sdbrcm_write

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Message-ID: <4F0ABAEB.5070306@broadcom.com>
Date:	Mon, 9 Jan 2012 11:01:15 +0100
From:	"Arend van Spriel" <arend@...adcom.com>
To:	"Jesper Juhl" <jj@...osbits.net>
cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Alwin Beukers" <alwin@...adcom.com>,
	"Pieter-Paul Giesberts" <pieterpg@...adcom.com>,
	"John W. Linville" <linville@...driver.com>,
	"Franky (Zhenhui) Lin" <frankyl@...adcom.com>
Subject: Re: [PATCH] brcm80211: Don't leak 'vbuffer' in
 brcmf_sdbrcm_write_vars()

On 01/08/2012 11:41 PM, Jesper Juhl wrote:
> If the memory allocation 'nvram_ularray = kmalloc(varsize,
> GFP_ATOMIC);' fails we'll leak the memory allocated to 'vbuffer' when
> we return -ENOMEM from the function.
> 
> This patch resolves the leak by kfree()'ing the allocated memory
> before the return.
> 
> Signed-off-by: Jesper Juhl <jj@...osbits.net>

Nice catch. Thanks.

Acked-by: Arend van Spriel <arend@...adcom.com>

Gr. AvS

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