ALSA: opti9x: 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/20230915082802.28684-9-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c
index 59242ba..59792f2 100644 (file)
--- a/sound/isa/opti9xx/miro.c
+++ b/sound/isa/opti9xx/miro.c
@@ -1344,10 +1344,10 @@ static int snd_miro_probe(struct snd_card *card)
        }
 
        strcpy(card->driver, "miro");
-       snprintf(card->longname, sizeof(card->longname),
-                "%s: OPTi%s, %s at 0x%lx, irq %d, dma %d&%d",
-                card->shortname, miro->name, codec->pcm->name,
-                miro->wss_base + 4, miro->irq, miro->dma1, miro->dma2);
+       scnprintf(card->longname, sizeof(card->longname),
+                 "%s: OPTi%s, %s at 0x%lx, irq %d, dma %d&%d",
+                 card->shortname, miro->name, codec->pcm->name,
+                 miro->wss_base + 4, miro->irq, miro->dma1, miro->dma2);
 
        if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
                rmidi = NULL;

diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c
index 4beeb32..c33f67d 100644 (file)
--- a/sound/isa/opti9xx/opti92x-ad1848.c
+++ b/sound/isa/opti9xx/opti92x-ad1848.c
@@ -859,15 +859,15 @@ static int snd_opti9xx_probe(struct snd_card *card)
        strcpy(card->driver, chip->name);
        sprintf(card->shortname, "OPTi %s", card->driver);
 #if defined(CS4231) || defined(OPTi93X)
-       snprintf(card->longname, sizeof(card->longname),
-                "%s, %s at 0x%lx, irq %d, dma %d&%d",
-                card->shortname, codec->pcm->name,
-                chip->wss_base + 4, irq, dma1, xdma2);
+       scnprintf(card->longname, sizeof(card->longname),
+                 "%s, %s at 0x%lx, irq %d, dma %d&%d",
+                 card->shortname, codec->pcm->name,
+                 chip->wss_base + 4, irq, dma1, xdma2);
 #else
-       snprintf(card->longname, sizeof(card->longname),
-                "%s, %s at 0x%lx, irq %d, dma %d",
-                card->shortname, codec->pcm->name, chip->wss_base + 4, irq,
-                dma1);
+       scnprintf(card->longname, sizeof(card->longname),
+                 "%s, %s at 0x%lx, irq %d, dma %d",
+                 card->shortname, codec->pcm->name, chip->wss_base + 4, irq,
+                 dma1);
 #endif /* CS4231 || OPTi93X */
 
        if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)