[PATCH] ASoC: wm_adsp: wm_adsp_control_add() error: uninitialized symbol 'ret'

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This patch fixes the static analysis warning as it is correctly
indicating a possible code path, it cannot know that for the affected
firmware versions subname would always be NULL.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Simon Trimmer <simont@xxxxxxxxxxxxxxxxxxxxx>
---
 sound/soc/codecs/wm_adsp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index d4f0d72cbcc8..6cb01a8e08fb 100644
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -617,8 +617,9 @@ static int wm_adsp_control_add(struct cs_dsp_coeff_ctl *cs_ctl)
 	switch (cs_dsp->fw_ver) {
 	case 0:
 	case 1:
-		snprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s %s %x",
-			 cs_dsp->name, region_name, cs_ctl->alg_region.alg);
+		ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
+				"%s %s %x", cs_dsp->name, region_name,
+				cs_ctl->alg_region.alg);
 		break;
 	case 2:
 		ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
-- 
2.33.0




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