netdev - Re: [PATCH net] bnx2: Fix bug in bnx2_free_tx

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Message-Id: <20120710.233734.1549210481505224976.davem@davemloft.net>
Date:	Tue, 10 Jul 2012 23:37:34 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mchan@...adcom.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net] bnx2: Fix bug in bnx2_free_tx_skbs().

From: "Michael Chan" <mchan@...adcom.com>
Date: Tue, 10 Jul 2012 13:04:40 -0700

> In rare cases, bnx2x_free_tx_skbs() can unmap the wrong DMA address
> when it gets to the last entry of the tx ring.  We were not using
> the proper macro to skip the last entry when advancing the tx index.
> 
> Reported-by: Zongyun Lai <zlai@...are.com>
> Reviewed-by: Jeffrey Huang <huangjw@...adcom.com>
> Signed-off-by: Michael Chan <mchan@...adcom.com>

Applied and queued up for -stable.
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