diff options
Diffstat (limited to 'sound/usb/endpoint.c')
| -rw-r--r-- | sound/usb/endpoint.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 8f65349a06d3..568099467dbb 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -921,6 +921,9 @@ static int endpoint_set_interface(struct snd_usb_audio *chip, if (ep->iface_ref->altset == altset) return 0; + /* already disconnected? */ + if (unlikely(atomic_read(&chip->shutdown))) + return -ENODEV; usb_audio_dbg(chip, "Setting usb interface %d:%d for EP 0x%x\n", ep->iface, altset, ep->ep_num); |