linux-kernel - Re: sky2: in free_buffers() do proper checks before call of rx

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Message-Id: <20120413.125954.1123124134206162716.davem@davemloft.net>
Date:	Fri, 13 Apr 2012 12:59:54 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	LinoSanfilippo@....de
Cc:	shemminger@...tta.com, mlindner@...vell.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: sky2: in free_buffers() do proper checks before call of
 rx_clean()

From: Lino Sanfilippo <LinoSanfilippo@....de>
Date: Tue, 3 Apr 2012 02:13:27 +0200

> In sky2_open() free_buffers() is called in case that alloc_buffers() failed.
> Here we do the check for sky2->rx_le too late, since we already called
> rx_clean() which accessed rx_le. Furthermore we lack a check for sky2->rx_ring
> which is also accessed by rx_clean().
> 
> With this patch both sky2->rx_le and sky2->rx_ring are checked before
> alloc_buffers() is called.
> 
> Signed-off-by: Lino Sanfilippo <LinoSanfilippo@....de>

Stephen, I'm still waiting on your review of this patch.

Thanks.
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