On Mon, 6 Feb 2023 15:55:18 +0800 Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx> wrote: > The val is defined as unsigned int type, if(val<0) is redundant, so > delete it. > > sound/soc/codecs/idt821034.c:449 idt821034_kctrl_gain_put() warn: unsigned 'val' is never less than zero. > > Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx> > Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3947 > Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx> > --- > sound/soc/codecs/idt821034.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/sound/soc/codecs/idt821034.c b/sound/soc/codecs/idt821034.c > index 5d01787b1c1f..2cc7b9166e69 100644 > --- a/sound/soc/codecs/idt821034.c > +++ b/sound/soc/codecs/idt821034.c > @@ -446,8 +446,6 @@ static int idt821034_kctrl_gain_put(struct snd_kcontrol *kcontrol, > u8 ch; > > val = ucontrol->value.integer.value[0]; > - if (val < 0) > - return -EINVAL; > if (val > max - min) > return -EINVAL; > Acked-by: Herve Codina <herve.codina@xxxxxxxxxxx> Thanks, Hervé -- Hervé Codina, Bootlin Embedded Linux and Kernel engineering https://bootlin.com