Commit 26b64256 authored Dec 14, 2015 by Peter Ujfalusi Committed by Vinod Koul Dec 18, 2015

dmaengine: core: Skip mask matching when it is not provided to private_candidate



If mask is NULL skip the mask matching against the DMA device capabilities.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

parent 8005c49d

drivers/dma/dmaengine.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -511,7 +511,7 @@ static struct dma_chan private_candidate(const dma_cap_mask_t mask,
		{
		struct dma_chan *chan;

		if (!__dma_device_satisfies_mask(dev, mask)) {
		if (mask && !__dma_device_satisfies_mask(dev, mask)) {
		pr_debug("%s: wrong capabilities\n", __func__);
		return NULL;
		}