739 	unsigned long lock_flags;  in vidioc_qbuf()  local
760 	spin_lock_irqsave(&usbvision->queue_lock, lock_flags);  in vidioc_qbuf()
762 	spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);  in vidioc_qbuf()
772 	unsigned long lock_flags;  in vidioc_dqbuf()  local
784 	spin_lock_irqsave(&usbvision->queue_lock, lock_flags);  in vidioc_dqbuf()
788 	spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);  in vidioc_dqbuf()
921 	unsigned long lock_flags;  in usbvision_read()  local
962 			spin_lock_irqsave(&usbvision->queue_lock, lock_flags);  in usbvision_read()
965 					       lock_flags);  in usbvision_read()
981 	spin_lock_irqsave(&usbvision->queue_lock, lock_flags);  in usbvision_read()
985 	spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);  in usbvision_read()