Simplified code by removing redundant assignment of sprintf return value
and improved safety by replacing sprintf with snprintf.

Signed-off-by: Zhu Jun <zhujun2@cmss.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..b6c3d2ee416e 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",
-- 
2.17.1

On Wed, 09 Oct 2024 09:09:44 +0200,
Zhu Jun wrote:
> 
> Simplified code by removing redundant assignment of sprintf return value
> and improved safety by replacing sprintf with snprintf.
> 
> Signed-off-by: Zhu Jun <zhujun2@cmss.chinamobile.com>

Thanks, applied now.


Takashi