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authorDan Carpenter <error27@gmail.com>2010-08-14 19:29:53 +0200
committerTakashi Iwai <tiwai@suse.de>2010-08-15 14:28:20 +0200
commit38d7b08f374b640b00d350ac2d12ffed5d723423 (patch)
tree3c68f297c254caa6d0a0a7634d964df724b6a52a /sound
parent31cbd97726207b483a1731562559fabd4e2efdd0 (diff)
downloadlinux-linaro-android-38d7b08f374b640b00d350ac2d12ffed5d723423.tar.gz
ALSA: sound/usb/format: silence uninitialized variable warnings
Gcc complains that ret might be used uninitialized: sound/usb/format.c: In function ‘snd_usb_parse_audio_format’: sound/usb/format.c:354: warning: ‘ret’ may be used uninitialized in this function sound/usb/format.c:354: note: ‘ret’ was declared here sound/usb/format.c:414: warning: ‘ret’ may be used uninitialized in this function sound/usb/format.c:414: note: ‘ret’ was declared here I suppose it could be uninitialized if there is ever a UAC_VERSION_3 released. Anyway this patch is worthwhile if only to silence the gcc warning. Signed-off-by: Dan Carpenter <error27@gmail.com> Acked-by: Daniel Mack <daniel@caiaq.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-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 4387f54d73d..3a1375459c0 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;