From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 15 Sep 2023 09:13:11 +0000 (+0200)
Subject: ALSA: ad1848: Fix -Wformat-truncation warning for longname string
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=60a9c7f7fb98163150964236e07bc57e731ad4f2;p=linux.git

ALSA: ad1848: Fix -Wformat-truncation warning for longname string

The filling of card->longname can be gracefully truncated, as it's
only informative.  Use scnprintf() and suppress the superfluous
compile warning with -Wformat-truncation.

Link: https://lore.kernel.org/r/20230915091313.5988-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/isa/ad1848/ad1848.c b/sound/isa/ad1848/ad1848.c
index c471ac2aa450a..401d8df28d876 100644
--- a/sound/isa/ad1848/ad1848.c
+++ b/sound/isa/ad1848/ad1848.c
@@ -96,13 +96,13 @@ static int snd_ad1848_probe(struct device *dev, unsigned int n)
 	strscpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
 
 	if (!thinkpad[n])
-		snprintf(card->longname, sizeof(card->longname),
-			 "%s at 0x%lx, irq %d, dma %d",
-			 chip->pcm->name, chip->port, irq[n], dma1[n]);
+		scnprintf(card->longname, sizeof(card->longname),
+			  "%s at 0x%lx, irq %d, dma %d",
+			  chip->pcm->name, chip->port, irq[n], dma1[n]);
 	else
-		snprintf(card->longname, sizeof(card->longname),
-			 "%s at 0x%lx, irq %d, dma %d [Thinkpad]",
-			 chip->pcm->name, chip->port, irq[n], dma1[n]);
+		scnprintf(card->longname, sizeof(card->longname),
+			  "%s at 0x%lx, irq %d, dma %d [Thinkpad]",
+			  chip->pcm->name, chip->port, irq[n], dma1[n]);
 
 	error = snd_card_register(card);
 	if (error < 0)