On Mon, Dec 07, 2015 at 12:00:28PM +0100, M'boumba Cedric Madianga wrote:
> 'commit d8b468394fb7 ("dmaengine: Add STM32 DMA driver")' leads to the
> following Smatch complaint:
>
> drivers/dma/stm32-dma.c:562 stm32_dma_issue_pending()
> error: we previously assumed 'chan->desc' could be null (see line 560)
>
> So, this patch fixes the unchecked dereference of chan->desc by returning
> operation not permitted error when stm32_dma_start_transfer() does not
> succeed to allocate a virtual channel descriptor.
Applied, thanks
--
~Vinod
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