linux-kernel - Re: [PATCH] net/temac: FIX segfault when process old irqs

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Message-Id: <20111109.153927.1757753106148770956.davem@davemloft.net>
Date:	Wed, 09 Nov 2011 15:39:27 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	ricardo.ribalda@...il.com
Cc:	ian.campbell@...rix.com, eric.dumazet@...il.com,
	jeffrey.t.kirsher@...el.com, jpirko@...hat.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net/temac: FIX segfault when process old irqs

From: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>
Date: Tue,  8 Nov 2011 10:31:58 +0100

> Do not enable the irq until the scatter gather registers are ready to
> handle the data. Otherwise an irq from a packet send/received before
> last close can lead to an access to an invalid memory region on the irq
> handler.
> 
> Also, stop the dma engine on close.
> 
> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com>

Applied, thanks.
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