linux-kernel - Re: [PATCH v2] dmatest: Fix NULL pointer dereference on ioat

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Date:	Thu, 22 Nov 2012 10:55:27 +0530
From:	viresh kumar <viresh.kumar@...aro.org>
To:	Vinod Koul <vinod.koul@...el.com>, Dan Williams <djbw@...com>
Cc:	linux-kernel@...r.kernel.org, Dave Jiang <dave.jiang@...el.com>,
	Jon Mason <jon.mason@...el.com>
Subject: Re: [PATCH v2] dmatest: Fix NULL pointer dereference on ioat

On Wed, Nov 14, 2012 at 8:17 AM, viresh kumar <viresh.kumar@...aro.org> wrote:
> On Mon, Nov 12, 2012 at 4:33 AM, Jon Mason <jon.mason@...el.com> wrote:
>> device_control is an optional and not implemented in all DMA drivers.
>> Any calls to these will result in a NULL pointer dereference.  dmatest
>> makes two of these calls when completing the kernel thread and removing
>> the module.  These are corrected by calling the dmaengine_device_control
>> wrapper and checking for a non-existant device_control function pointer
>> there.
>>
>> Signed-off-by: Jon Mason <jon.mason@...el.com>
>> CC: Vinod Koul <vinod.koul@...el.com>
>> CC: Dan Williams <djbw@...com>

> Reviewed-by: Viresh Kumar <viresh.kumar@...aro.org>

Vinod/Dan: I couldn't find this patch and
https://patchwork.kernel.org/patch/1720971/
in you trees. Are you pushing them for 3.8?

--
viresh
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