netdev - Re: [PATCH] drivers/net/usb/catc.c: Fix potential deadlock in catc_ctrl

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Message-Id: <20110531.153030.224764258.davem@davemloft.net>
Date:	Tue, 31 May 2011 15:30:30 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	khoroshilov@...ras.ru
Cc:	gregkh@...e.de, linux-usb@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/net/usb/catc.c: Fix potential deadlock in
 catc_ctrl_run()

From: Alexey Khoroshilov <khoroshilov@...ras.ru>
Date: Mon, 30 May 2011 21:06:24 +0400

> catc_ctrl_run() calls usb_submit_urb() with GFP_KERNEL, while it is called from
> catc_ctrl_async() and catc_ctrl_done() with catc->ctrl_lock spinlock held.
> 
> The patch replaces GFP_KERNEL with GFP_ATOMIC.
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>

Applied.
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