From: Zhu Jun Date: Wed, 9 Oct 2024 07:09:44 +0000 (-0700) Subject: ALSA: usb-audio: Use snprintf instead of sprintf in build_mixer_unit_ctl X-Git-Tag: v6.13-rc1~123^2~25 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0845b3e0d5c1a8ddf2056a0f2672ddf769dc446c;p=thirdparty%2Flinux.git ALSA: usb-audio: Use snprintf instead of sprintf in build_mixer_unit_ctl Simplified code by removing redundant assignment of sprintf return value and improved safety by replacing sprintf with snprintf. Signed-off-by: Zhu Jun Link: https://patch.msgid.link/20241009070944.6937-1-zhujun2@cmss.chinamobile.com Signed-off-by: Takashi Iwai --- diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 9945ae55b0d08..b6c3d2ee416ea 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -2224,7 +2224,8 @@ static void build_mixer_unit_ctl(struct mixer_build *state, len = get_term_name(state->chip, iterm, kctl->id.name, sizeof(kctl->id.name), 0); if (!len) - len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); + snprintf(kctl->id.name, sizeof(kctl->id.name), "Mixer Source %d", in_ch + 1); + append_ctl_name(kctl, " Volume"); usb_audio_dbg(state->chip, "[%d] MU [%s] ch = %d, val = %d/%d\n",