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[03/13] ALSA: usb-audio: scarlett_gen2: Fix -Wformat-truncation warning

Message ID 20230915082802.28684-4-tiwai@suse.de
State Accepted
Commit 78bd8f5126f854872cc109cbac21c675d8539f3f
Headers show
Series ALSA: Fix -Wformat-truncation warnings | expand

Commit Message

Takashi Iwai Sept. 15, 2023, 8:27 a.m. UTC 
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 mbox series

Patch

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]);