netdev - Re: [PATCH] via-ircc: don't return zero if via_ircc

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Date:	Tue, 20 Aug 2013 13:27:48 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	khoroshilov@...ras.ru
Cc:	samuel@...tiz.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, ldv-project@...uxtesting.org
Subject: Re: [PATCH] via-ircc: don't return zero if via_ircc_open() failed

From: Alexey Khoroshilov <khoroshilov@...ras.ru>
Date: Fri, 16 Aug 2013 23:48:14 +0300

> If via_ircc_open() fails, data structures of the driver left uninitialized,
> but probe (via_init_one()) returns zero. That can lead to null pointer dereference
> in via_remove_one(), since it does not check drvdata for NULL.
> 
> The patch implements proper error code propagation.
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>

Applied, thanks.
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