ASoC: wm_adsp: wm_adsp_control_add() error: uninitialized symbol 'ret'

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>
This commit is contained in:
Simon Trimmer 2021-11-15 12:01:54 +00:00 committed by Mark Brown
parent 7e5dfedb53
commit a6e849d000
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0

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@ -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,