Re: [PATCH-next V2] ASoC: rt721-sdca: Clean logically deadcode in rt721-sdca.c

From: Shuah Khan
Date: Thu Oct 10 2024 - 11:11:01 EST


On 10/8/24 17:44, Everest K.C. wrote:
As the same condition was checked in inner and outer if
statements. The code never reaches the inner else statement.

This issue was reported by Coverity Scan with CID = 1600271.

Signed-off-by: Everest K.C. <everestkc@xxxxxxxxxxxxxxxx>
---
V1 -> V2: - Updated the patch prefix to PATCH-next
- Added how the issue was discovered

sound/soc/codecs/rt721-sdca.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/sound/soc/codecs/rt721-sdca.c b/sound/soc/codecs/rt721-sdca.c
index 36056cb7a3ca..4fd26e490610 100644
--- a/sound/soc/codecs/rt721-sdca.c
+++ b/sound/soc/codecs/rt721-sdca.c
@@ -611,13 +611,9 @@ static int rt721_sdca_dmic_set_gain_get(struct snd_kcontrol *kcontrol,
if (!adc_vol_flag) /* boost gain */
ctl = regvalue / boost_step;
- else { /* ADC gain */
- if (adc_vol_flag)
- ctl = p->max - (((vol_max - regvalue) & 0xffff) / interval_offset);
- else
- ctl = p->max - (((0 - regvalue) & 0xffff) / interval_offset);
- }
-
+ else /* ADC gain */
+ ctl = p->max - (((vol_max - regvalue) & 0xffff) / interval_offset);
+
ucontrol->value.integer.value[i] = ctl;
}


Reviewed-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>

As mentioned in my review for v1 of this patch, the exact same problem
exists in sound/soc/codecs/rt722-sdca.c as well, in case you want to send
patch to fix that one.

thanks,
-- Shuah