From 49fd46d2ffc92de3f4bd2e337f60b8b6052dc8b6 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Sun, 19 Oct 2014 09:11:25 +0200 Subject: [PATCH] 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: Daniel Mack Signed-off-by: Takashi Iwai --- sound/usb/mixer.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 2e4a9dbc51fa..63a8adb1705e 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1290,9 +1290,8 @@ 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), - "Feature %d", unitid); + snprintf(kctl->id.name, sizeof(kctl->id.name), + "Feature %d", unitid); } if (!mapped_name) @@ -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");