[alsa-devel] [PATCH 1/2 v2][resend] ASoC: rsnd: Request/Release DMA channel each time

[kbuild test robot]

Hi Kuninori,

[auto build test WARNING on asoc/for-next]
[also build test WARNING on next-20161111]
[cannot apply to v4.9-rc5]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Kuninori-Morimoto/ASoC-rsnd-DMA-power-fix-and-IOMMU-support/20161114-101334
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next


coccinelle warnings: (new ones prefixed by >>)

>> sound/soc/sh/rcar/dma.c:169:9-16: ERROR: PTR_ERR applied after initialization to constant on line 167

vim +169 sound/soc/sh/rcar/dma.c

   161		 * Let's call it under nolock_start
   162		 */
   163		dmaen->chan = rsnd_dmaen_request_channel(io,
   164							 dma->mod_from,
   165							 dma->mod_to);
   166		if (IS_ERR_OR_NULL(dmaen->chan)) {
 > 167			dmaen->chan = NULL;
   168			dev_err(dev, "can't get dma channel\n");
 > 169			return PTR_ERR(dmaen->chan);
   170		}
   171	
   172		return 0;

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