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authorTakashi Iwai <tiwai@suse.de>2016-12-09 13:21:35 +0300
committerTakashi Iwai <tiwai@suse.de>2016-12-09 13:21:35 +0300
commitd71bb23a81f80eeb5291e5c782377024e7265a23 (patch)
tree81aded55aceadd50ff2360df95f626d7bc35265c /sound/usb/endpoint.c
parent17f08b0d9aafccdb10038ab6dbd9ddb6433c13e2 (diff)
parent82ffb6fc637150b279f49e174166d2aa3853eaf4 (diff)
downloadlinux-d71bb23a81f80eeb5291e5c782377024e7265a23.tar.xz
Merge branch 'for-linus' into for-next
Diffstat (limited to 'sound/usb/endpoint.c')
-rw-r--r--sound/usb/endpoint.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index a2931f49a1fc..57b0d9968ec2 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -384,6 +384,9 @@ static void snd_complete_urb(struct urb *urb)
if (unlikely(atomic_read(&ep->chip->shutdown)))
goto exit_clear;
+ if (unlikely(!test_bit(EP_FLAG_RUNNING, &ep->flags)))
+ goto exit_clear;
+
if (usb_pipeout(ep->pipe)) {
retire_outbound_urb(ep, ctx);
/* can be stopped during retire callback */
@@ -534,6 +537,11 @@ static int wait_clear_urbs(struct snd_usb_endpoint *ep)
alive, ep->ep_num);
clear_bit(EP_FLAG_STOPPING, &ep->flags);
+ ep->data_subs = NULL;
+ ep->sync_slave = NULL;
+ ep->retire_data_urb = NULL;
+ ep->prepare_data_urb = NULL;
+
return 0;
}
@@ -1006,10 +1014,6 @@ void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep)
if (--ep->use_count == 0) {
deactivate_urbs(ep, false);
- ep->data_subs = NULL;
- ep->sync_slave = NULL;
- ep->retire_data_urb = NULL;
- ep->prepare_data_urb = NULL;
set_bit(EP_FLAG_STOPPING, &ep->flags);
}
}