diff mbox series

[v2,2/4] soundwire: intel: fix NULL/ERR_PTR confusion

Message ID 20200903204739.31206-3-yung-chuan.liao@linux.intel.com
State Superseded
Headers show
Series soundwire: Remove sdw stream operations from Intel | expand

Commit Message

Liao, Bard Sept. 3, 2020, 8:47 p.m. UTC 
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

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: 09553140c8d7b ('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>
---
 drivers/soundwire/intel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
index 710f5eba936b..7c20b7daf1c8 100644
--- a/drivers/soundwire/intel.c
+++ b/drivers/soundwire/intel.c
@@ -1142,7 +1142,7 @@  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;
 }