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Date:	Tue, 22 Jul 2014 21:39:08 +0530
From:	Vinod Koul <>
To:	Javier Martinez Canillas <>
Cc:	Dan Williams <>,
	Lars-Peter Clausen <>,,
Subject: Re: [PATCH 1/1] dmaengine: pl330: Check if the DMA descriptor is

On Sat, Jul 19, 2014 at 03:21:47AM +0200, Javier Martinez Canillas wrote:
> Commit 6079d38 ("dmaengine: pl330: Remove useless xfer_cb indirection")
> removed the __callback() function which created an unnecessary level of
> indirection to execute the tranfer callback .xfer_cb
> Unfortunately the commit also changed the semantics slightly since that
> function used to check if the request was not NULL before attempting to
> execute the callback function. Not checking this could lead to a kernel
> NULL pointer dereference error.

Applied, thanks

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