diff options
| -rw-r--r-- | sound/usb/pcm.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 96298c767c76..a11c8150af58 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -506,9 +506,9 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt) if (WARN_ON(!iface)) return -EINVAL; alts = usb_altnum_to_altsetting(iface, fmt->altsetting); - altsd = get_iface_desc(alts); - if (WARN_ON(altsd->bAlternateSetting != fmt->altsetting)) + if (WARN_ON(!alts)) return -EINVAL; + altsd = get_iface_desc(alts); if (fmt == subs->cur_audiofmt && !subs->need_setup_fmt) return 0; |