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-rw-r--r--sound/usb/format.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/usb/format.c b/sound/usb/format.c
index 4387f54d73db..3a1375459c06 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -392,6 +392,10 @@ static int parse_audio_format_i(struct snd_usb_audio *chip,
/* fp->channels is already set in this case */
ret = parse_audio_format_rates_v2(chip, fp);
break;
+ default:
+ snd_printk(KERN_ERR "%d:%u:%d : invalid protocol version %d\n",
+ chip->dev->devnum, fp->iface, fp->altsetting, protocol);
+ return -EINVAL;
}
if (fp->channels < 1) {
@@ -452,6 +456,10 @@ static int parse_audio_format_ii(struct snd_usb_audio *chip,
ret = parse_audio_format_rates_v2(chip, fp);
break;
}
+ default:
+ snd_printk(KERN_ERR "%d:%u:%d : invalid protocol version %d\n",
+ chip->dev->devnum, fp->iface, fp->altsetting, protocol);
+ return -EINVAL;
}
return ret;