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.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/usb/mixer_scarlett_gen2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/usb/mixer_scarlett_gen2.c b/sound/usb/mixer_scarlett_gen2.c index 9d11bb08667e..5c6f50f38840 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]);