796 	unsigned long lock_flags;  in vidioc_qbuf()  local
817 	spin_lock_irqsave(&usbvision->queue_lock, lock_flags);  in vidioc_qbuf()
819 	spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);  in vidioc_qbuf()
829 	unsigned long lock_flags;  in vidioc_dqbuf()  local
841 	spin_lock_irqsave(&usbvision->queue_lock, lock_flags);  in vidioc_dqbuf()
845 	spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);  in vidioc_dqbuf()
976 	unsigned long lock_flags;  in usbvision_read()  local
1017 			spin_lock_irqsave(&usbvision->queue_lock, lock_flags);  in usbvision_read()
1020 					       lock_flags);  in usbvision_read()
1036 	spin_lock_irqsave(&usbvision->queue_lock, lock_flags);  in usbvision_read()
1040 	spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);  in usbvision_read()