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soundwire: intel: fix NULL/ERR_PTR confusion

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snd_soc_dai_get_sdw_stream() can only return the pointer to stream or
an ERR_PTR value, NULL is not a possible value.

Fixes: 09553140c8 ('soundwire: intel: implement get_sdw_stream() operations')
Reported-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20200903204739.31206-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Pierre-Louis Bossart 2020-09-04 04:47:37 +08:00 committed by Vinod Koul
parent 3471d2a192
commit 06dcb4e443
1 changed files with 1 additions and 1 deletions
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2
drivers/soundwire/intel.c
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@ -1126,7 +1126,7 @@ static void *intel_get_sdw_stream(struct snd_soc_dai *dai,
dma = dai->capture_dma_data;
if (!dma)
return NULL;
return ERR_PTR(-EINVAL);
return dma->stream;
}