netdev - Re: [PATCH] KS8851: NULL pointer dereference if list is empty

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Message-Id: <20100421.162932.191667410.davem@davemloft.net>
Date:	Wed, 21 Apr 2010 16:29:32 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	abraham.arce.moreno@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] KS8851: NULL pointer dereference if list is empty

From: Abraham Arce <abraham.arce.moreno@...il.com>
Date: Fri, 16 Apr 2010 19:48:43 -0500

> Fix NULL pointer dereference in ks8851_tx_work by checking if dequeued
> list is already empty before writing the packet to TX FIFO
> 
>  Unable to handle kernel NULL pointer dereference at virtual address 00000050
>  PC is at ks8851_tx_work+0xdc/0x1b0
>  LR is at wait_for_common+0x148/0x164
>  pc : [<c01c0df4>]    lr : [<c025a980>]    psr: 20000013
>  Backtrace:
>   ks8851_tx_work+0x0/0x1b0
>   worker_thread+0x0/0x190
>   kthread+0x0/0x90
> 
> Signed-off-by: Abraham Arce <x0066660@...com>

Applied to net-2.6, thanks.
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