netdev - Re: [PATCH 1/2 net] tg3: Avoid null pointer dereference in tg3

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Message-Id: <20130114.220940.967320497069734116.davem@davemloft.net>
Date:	Mon, 14 Jan 2013 22:09:40 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	mchan@...adcom.com
Cc:	netdev@...r.kernel.org, nsujir@...adcom.com
Subject: Re: [PATCH 1/2 net] tg3: Avoid null pointer dereference in
 tg3_interrupt in netconsole mode

From: "Michael Chan" <mchan@...adcom.com>
Date: Mon, 14 Jan 2013 19:10:59 -0800

> From: Nithin Nayak Sujir <nsujir@...adcom.com>
> 
> When netconsole is enabled, logging messages generated during tg3_open
> can result in a null pointer dereference for the uninitialized tg3
> status block. Use the irq_sync flag to disable polling in the early
> stages. irq_sync is cleared when the driver is enabling interrupts after
> all initialization is completed.
> 
> Signed-off-by: Nithin Nayak Sujir <nsujir@...adcom.com>
> Signed-off-by: Michael Chan <mchan@...adcom.com>

Applied.
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