[PATCH 7/7] ASoC: Intel: avs: Add missing checks on FE startup

["Amadeusz Sławiński" <amadeuszx.slawinski@linux.intel.com>]

Constraint functions have return values, they should be checked for
potential errors.

Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
---
 sound/soc/intel/avs/pcm.c | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/sound/soc/intel/avs/pcm.c b/sound/soc/intel/avs/pcm.c
index 31c032a0f7e4..1fbb2c2fadb5 100644
--- a/sound/soc/intel/avs/pcm.c
+++ b/sound/soc/intel/avs/pcm.c
@@ -468,21 +468,34 @@ static int avs_dai_fe_startup(struct snd_pcm_substream *substream, struct snd_so
 
 	host_stream = snd_hdac_ext_stream_assign(bus, substream, HDAC_EXT_STREAM_TYPE_HOST);
 	if (!host_stream) {
-		kfree(data);
-		return -EBUSY;
+		ret = -EBUSY;
+		goto err;
 	}
 
 	data->host_stream = host_stream;
-	snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+	ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+	if (ret < 0)
+		goto err;
+
 	/* avoid wrap-around with wall-clock */
-	snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_TIME, 20, 178000000);
-	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_rates);
+	ret = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_TIME, 20, 178000000);
+	if (ret < 0)
+		goto err;
+
+	ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_rates);
+	if (ret < 0)
+		goto err;
+
 	snd_pcm_set_sync(substream);
 
 	dev_dbg(dai->dev, "%s fe STARTUP tag %d str %p",
 		__func__, hdac_stream(host_stream)->stream_tag, substream);
 
 	return 0;
+
+err:
+	kfree(data);
+	return ret;
 }
 
 static void avs_dai_fe_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
-- 
2.34.1