RE: [PATCH v2] dmatest: Fix NULL pointer dereference on ioat

[Koul, Vinod]

> On Wed, Nov 14, 2012 at 8:17 AM, viresh kumar <viresh.kumar@xxxxxxxxxx> wrote:
> > On Mon, Nov 12, 2012 at 4:33 AM, Jon Mason <jon.mason@xxxxxxxxx> 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@xxxxxxxxx>
> >> CC: Vinod Koul <vinod.koul@xxxxxxxxx>
> >> CC: Dan Williams <djbw@xxxxxx>
> 
> > Reviewed-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Applied, Thanks

--
~Vinod
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