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ALSA: cs4231: Fix -Wformat-truncation warning for longname string

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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/20230915091313.5988-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2023-09-15 11:13:12 +02:00
parent 60a9c7f7fb
commit ba8bb7dce1
1 changed files with 6 additions and 6 deletions
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4
sound/isa/cs423x/cs4231.c
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@ -98,11 +98,11 @@ static int snd_cs4231_probe(struct device *dev, unsigned int n)
strscpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
if (dma2[n] < 0)
snprintf(card->longname, sizeof(card->longname),
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),
scnprintf(card->longname, sizeof(card->longname),
"%s at 0x%lx, irq %d, dma %d&%d",
chip->pcm->name, chip->port, irq[n], dma1[n], dma2[n]);