From: Takashi Iwai Date: Fri, 15 Sep 2023 08:27:52 +0000 (+0200) Subject: ALSA: usb-audio: scarlett_gen2: Fix -Wformat-truncation warning X-Git-Tag: v6.6.17~3724^2~29 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=78bd8f5126f854872cc109cbac21c675d8539f3f;p=platform%2Fkernel%2Flinux-rpi.git ALSA: usb-audio: scarlett_gen2: Fix -Wformat-truncation warning The recent enablement of -Wformat-truncation leads to a false-positive warning for mixer_scarlett_gen2.c. For suppressing the warning, replace snprintf() with scnprintf(). As stated in the above, truncation doesn't matter. Link: https://lore.kernel.org/r/20230915082802.28684-4-tiwai@suse.de Signed-off-by: Takashi Iwai --- diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index 9d11bb0..5c6f50f 100644 --- a/sound/usb/mixer_scarlett_gen2.c +++ b/sound/usb/mixer_scarlett_gen2.c @@ -3218,8 +3218,8 @@ static int scarlett2_add_line_in_ctls(struct usb_mixer_interface *mixer) int from = i * info->inputs_per_phantom + 1; int to = (i + 1) * info->inputs_per_phantom; - snprintf(s, sizeof(s), fmt2, from, to, - "Phantom Power", "Switch"); + scnprintf(s, sizeof(s), fmt2, from, to, + "Phantom Power", "Switch"); err = scarlett2_add_new_ctl( mixer, &scarlett2_phantom_ctl, i, 1, s, &private->phantom_ctls[i]);