Commit 49fd46d2 authored by Daniel Mack's avatar Daniel Mack Committed by Takashi Iwai
Browse files

ALSA: snd-usb: drop unused varible assigments 



Don't assign 'len' in cases where we don't make use of the returned value.

Signed-off-by: default avatarDaniel Mack <daniel@zonque.org>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 70c84418

sound/usb/mixer.c

+4 −5
Original line number Diff line number Diff line
@@ -1290,8 +1290,7 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc, 
						    kctl->id.name,

						    sizeof(kctl->id.name), 1);

			if (!len)

				len = snprintf(kctl->id.name,

					       sizeof(kctl->id.name),

				snprintf(kctl->id.name, sizeof(kctl->id.name),

					 "Feature %d", unitid);

		}
@@ -1305,9 +1304,9 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc, 
		 */

		if (!mapped_name && !(state->oterm.type >> 16)) {

			if ((state->oterm.type & 0xff00) == 0x0100)

				len = append_ctl_name(kctl, " Capture");

				append_ctl_name(kctl, " Capture");

			else

				len = append_ctl_name(kctl, " Playback");

				append_ctl_name(kctl, " Playback");

		}

		append_ctl_name(kctl, control == UAC_FU_MUTE ?

				" Switch" : " Volume");