[alsa-devel] [PATCH] sound: pci: emu10k1: Remove unneeded variable "change"

fix below issue reported by coccicheck sound/pci/emu10k1/emu10k1x.c:1077:5-11: Unneeded variable: "change". Return "0" on line 1092
Signed-off-by: Hariprasad Kelam hariprasad.kelam@gmail.com --- sound/pci/emu10k1/emu10k1x.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/sound/pci/emu10k1/emu10k1x.c b/sound/pci/emu10k1/emu10k1x.c index 67d6473..9cf8183 100644 --- a/sound/pci/emu10k1/emu10k1x.c +++ b/sound/pci/emu10k1/emu10k1x.c @@ -1074,7 +1074,6 @@ static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol, { struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); unsigned int val; - int change = 0;
val = ucontrol->value.integer.value[0] ;
@@ -1089,7 +1088,7 @@ static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol, snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F); snd_emu10k1x_gpio_write(emu, 0x1080); } - return change; + return 0; }
static const struct snd_kcontrol_new snd_emu10k1x_shared_spdif =

On 7/11/2019 7:17 PM, Hariprasad Kelam wrote:
fix below issue reported by coccicheck sound/pci/emu10k1/emu10k1x.c:1077:5-11: Unneeded variable: "change". Return "0" on line 1092
Signed-off-by: Hariprasad Kelam hariprasad.kelam@gmail.com
Since theĀ function always return 0 and you perform code clean-up then maybe it would be a good idea to just change function to void instead of returning int value which does not seem to have use.
Michal W.
sound/pci/emu10k1/emu10k1x.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/sound/pci/emu10k1/emu10k1x.c b/sound/pci/emu10k1/emu10k1x.c index 67d6473..9cf8183 100644 --- a/sound/pci/emu10k1/emu10k1x.c +++ b/sound/pci/emu10k1/emu10k1x.c @@ -1074,7 +1074,6 @@ static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol, { struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); unsigned int val;
int change = 0;
val = ucontrol->value.integer.value[0] ;
@@ -1089,7 +1088,7 @@ static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol, snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F); snd_emu10k1x_gpio_write(emu, 0x1080); }
- return change;
return 0; }
static const struct snd_kcontrol_new snd_emu10k1x_shared_spdif =

On Fri, 12 Jul 2019 10:06:23 +0200, Wasko, Michal wrote:
On 7/11/2019 7:17 PM, Hariprasad Kelam wrote:
fix below issue reported by coccicheck sound/pci/emu10k1/emu10k1x.c:1077:5-11: Unneeded variable: "change". Return "0" on line 1092 Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Since theĀ function always return 0 and you perform code clean-up then maybe it would be a good idea to just change function to void instead of returning int value which does not seem to have use.
No, it's a callback function.
Takashi

On Thu, 11 Jul 2019 19:17:26 +0200, Hariprasad Kelam wrote:
fix below issue reported by coccicheck sound/pci/emu10k1/emu10k1x.c:1077:5-11: Unneeded variable: "change". Return "0" on line 1092
Signed-off-by: Hariprasad Kelam hariprasad.kelam@gmail.com
Applied, thanks.
Takashi
participants (3)
-
Hariprasad Kelam
-
Takashi Iwai
-
Wasko, Michal