From a6e849d0007b374fc7fbb18d55941c77aa7c3923 Mon Sep 17 00:00:00 2001
From: Simon Trimmer <simont@opensource.cirrus.com>
Date: Mon, 15 Nov 2021 12:01:54 +0000
Subject: [PATCH] ASoC: wm_adsp: wm_adsp_control_add() error: uninitialized symbol 'ret'
Git-commit: a6e849d0007b374fc7fbb18d55941c77aa7c3923
Patch-mainline: v5.16-rc3
References: bsc#1203699
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@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Simon Trimmer <simont@opensource.cirrus.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20211115120154.56782-1-simont@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
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,
--
2.35.3