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-rw-r--r--sound/usb/usbaudio.c3
-rw-r--r--sound/usb/usbmidi.c2
-rw-r--r--sound/usb/usbmixer.c9
3 files changed, 6 insertions, 8 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index c82b01c7ad3a..67202b9eeb77 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -1469,7 +1469,8 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream)
subs->cur_audiofmt = NULL;
subs->cur_rate = 0;
subs->period_bytes = 0;
- release_substream_urbs(subs, 0);
+ if (!subs->stream->chip->shutdown)
+ release_substream_urbs(subs, 0);
return snd_pcm_free_vmalloc_buffer(substream);
}
diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c
index b7c5e59b2299..24f5a26c5f0c 100644
--- a/sound/usb/usbmidi.c
+++ b/sound/usb/usbmidi.c
@@ -981,7 +981,7 @@ void snd_usbmidi_disconnect(struct list_head* p)
if (umidi->usb_protocol_ops->finish_out_endpoint)
umidi->usb_protocol_ops->finish_out_endpoint(ep->out);
}
- if (ep->in && ep->in->urb)
+ if (ep->in)
usb_kill_urb(ep->in->urb);
}
}
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index 1024c178f5c0..e74eb1bc8d87 100644
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -1620,8 +1620,7 @@ static void snd_usb_mixer_free(struct usb_mixer_interface *mixer)
kfree(mixer->urb->transfer_buffer);
usb_free_urb(mixer->urb);
}
- if (mixer->rc_urb)
- usb_free_urb(mixer->rc_urb);
+ usb_free_urb(mixer->rc_urb);
kfree(mixer->rc_setup_packet);
kfree(mixer);
}
@@ -2056,8 +2055,6 @@ void snd_usb_mixer_disconnect(struct list_head *p)
struct usb_mixer_interface *mixer;
mixer = list_entry(p, struct usb_mixer_interface, list);
- if (mixer->urb)
- usb_kill_urb(mixer->urb);
- if (mixer->rc_urb)
- usb_kill_urb(mixer->rc_urb);
+ usb_kill_urb(mixer->urb);
+ usb_kill_urb(mixer->rc_urb);
}
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