linux-kernel - [PATCH] Sound:mixer:Remove unnecessary assignment of sprintf result in build_mixer_unit

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Message-Id: <20241008033022.11280-1-zhujun2@cmss.chinamobile.com>
Date: Mon,  7 Oct 2024 20:30:22 -0700
From: Zhu Jun <zhujun2@...s.chinamobile.com>
To: perex@...ex.cz
Cc: tiwai@...e.com,
	zhujun2@...s.chinamobile.com,
	k.kosik@...look.com,
	xristos.thes@...il.com,
	wangdicheng@...inos.cn,
	kl@...wtf,
	linux-sound@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] Sound:mixer:Remove unnecessary assignment of sprintf result in build_mixer_unit_ctl

Simplified code by removing redundant assignment of sprintf return value

Signed-off-by: Zhu Jun <zhujun2@...s.chinamobile.com>
---
 sound/usb/mixer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 9945ae55b0d0..dea6cbd65667 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);
+		sprintf(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",
-- 
2.17.1