netdev - Re: [PATCH net] bnx2x: Prevent null pointer dereference in AFEX mode

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Date:	Wed, 10 Apr 2013 15:27:29 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	yuvalmin@...adcom.com
Cc:	netdev@...r.kernel.org, ariele@...adcom.com, eilong@...adcom.com
Subject: Re: [PATCH net] bnx2x: Prevent null pointer dereference in AFEX
 mode

From: "Yuval Mintz" <yuvalmin@...adcom.com>
Date: Wed, 10 Apr 2013 13:34:39 +0300

> The cnic module is responsible for initializing various bnx2x structs
> via callbacks provided by the bnx2x module.
> One such struct is the queue object for the FCoE queue.
> 
> If a device is working in AFEX mode and its configuration allows FCoE yet 
> the cnic module is not loaded, it's very likely a null pointer dereference
> will occur, as the bnx2x will erroneously access the FCoE's queue object.
> 
> Prevent said access until cnic properly registers itself.
> 
> Signed-off-by: Yuval Mintz <yuvalmin@...adcom.com>
> Signed-off-by: Ariel Elior <ariele@...adcom.com>
> Signed-off-by: Eilon Greenstein <eilong@...adcom.com>

Applied, thanks.
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