Commit 3471d2a1 authored by Pierre-Louis Bossart's avatar Pierre-Louis Bossart Committed by Vinod Koul
Browse files

soundwire: stream: fix NULL/IS_ERR confusion 



snd_soc_dai_get_sdw_stream() can only return -ENOTSUPP or the stream,
NULL is not a possible value.

Fixes: 4550569b ('soundwire: stream: add helper to startup/shutdown streams')
Reported-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: default avatarRander Wang <rander.wang@linux.intel.com>
Signed-off-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200903204739.31206-2-yung-chuan.liao@linux.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 8be2f84a

drivers/soundwire/stream.c

+1 −1
Original line number Diff line number Diff line
@@ -1911,7 +1911,7 @@ void sdw_shutdown_stream(void *sdw_substream) 


	sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);



	if (!sdw_stream) {

	if (IS_ERR(sdw_stream)) {

		dev_err(rtd->dev, "no stream found for DAI %s", dai->name);

		return;

	}