linux-kernel - Re: [PATCH] usb/kaweth: use GFP_ATOMIC under spin_lock in usb_start_wait

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Message-Id: <20150112.164315.1318481358364498844.davem@davemloft.net>
Date:	Mon, 12 Jan 2015 16:43:15 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	khoroshilov@...ras.ru
Cc:	linux-usb@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, ldv-project@...uxtesting.org
Subject: Re: [PATCH] usb/kaweth: use GFP_ATOMIC under spin_lock in
 usb_start_wait_urb()

From: Alexey Khoroshilov <khoroshilov@...ras.ru>
Date: Sat, 10 Jan 2015 02:16:22 +0300

> Commit e4c7f259c5be ("USB: kaweth.c: use GFP_ATOMIC under spin_lock")
> makes sure that kaweth_internal_control_msg() allocates memory with GFP_ATOMIC,
> but kaweth_internal_control_msg() also calls usb_start_wait_urb()
> that still allocates memory with GFP_NOIO.
> 
> The patch fixes usb_start_wait_urb() as well.
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>

Applied, thanks.
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