diff options
author | Hans de Goede <hdegoede@redhat.com> | 2011-07-03 11:50:51 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-07-27 17:53:45 -0300 |
commit | c11271349ad5d4647e69e511fc481b2dd390efc4 (patch) | |
tree | bc9ecda60fb903856dae5e21271e449e203a14bc /drivers/media/video/pwc/pwc-if.c | |
parent | 6c9cac89c009c049a9ad29cdf0f51892410fe751 (diff) |
[media] pwc: Allow dqbuf / read to complete while waiting for controls
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/pwc/pwc-if.c')
-rw-r--r-- | drivers/media/video/pwc/pwc-if.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c index 1d5a6db915fa..fdf113fe51c3 100644 --- a/drivers/media/video/pwc/pwc-if.c +++ b/drivers/media/video/pwc/pwc-if.c @@ -1160,6 +1160,7 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id pwc_construct(pdev); /* set min/max sizes correct */ mutex_init(&pdev->modlock); + mutex_init(&pdev->udevlock); spin_lock_init(&pdev->queued_bufs_lock); INIT_LIST_HEAD(&pdev->queued_bufs); @@ -1297,6 +1298,7 @@ static void usb_pwc_disconnect(struct usb_interface *intf) { struct pwc_device *pdev = usb_get_intfdata(intf); + mutex_lock(&pdev->udevlock); mutex_lock(&pdev->modlock); usb_set_intfdata(intf, NULL); @@ -1306,6 +1308,7 @@ static void usb_pwc_disconnect(struct usb_interface *intf) pdev->udev = NULL; mutex_unlock(&pdev->modlock); + mutex_unlock(&pdev->udevlock); pwc_remove_sysfs_files(pdev); video_unregister_device(&pdev->vdev); |