ALSA: cs4236: Fix -Wformat-truncation warning

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/20230915082802.28684-7-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/isa/cs423x/cs4236.c b/sound/isa/cs423x/cs4236.c
index 10112e1..7226cbf 100644 (file)
--- a/sound/isa/cs423x/cs4236.c
+++ b/sound/isa/cs423x/cs4236.c
@@ -367,14 +367,14 @@ static int snd_cs423x_probe(struct snd_card *card, int dev)
        strscpy(card->driver, chip->pcm->name, sizeof(card->driver));
        strscpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
        if (dma2[dev] < 0)
-               snprintf(card->longname, sizeof(card->longname),
-                        "%s at 0x%lx, irq %i, dma %i",
-                        chip->pcm->name, chip->port, irq[dev], dma1[dev]);
+               scnprintf(card->longname, sizeof(card->longname),
+                         "%s at 0x%lx, irq %i, dma %i",
+                         chip->pcm->name, chip->port, irq[dev], dma1[dev]);
        else
-               snprintf(card->longname, sizeof(card->longname),
-                        "%s at 0x%lx, irq %i, dma %i&%d",
-                        chip->pcm->name, chip->port, irq[dev], dma1[dev],
-                        dma2[dev]);
+               scnprintf(card->longname, sizeof(card->longname),
+                         "%s at 0x%lx, irq %i, dma %i&%d",
+                         chip->pcm->name, chip->port, irq[dev], dma1[dev],
+                         dma2[dev]);
 
        err = snd_wss_timer(chip, 0);
        if (err < 0)