717 	unsigned long lock_flags;  in vidioc_qbuf()  local
738 	spin_lock_irqsave(&usbvision->queue_lock, lock_flags);  in vidioc_qbuf()
740 	spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);  in vidioc_qbuf()
750 	unsigned long lock_flags;  in vidioc_dqbuf()  local
762 	spin_lock_irqsave(&usbvision->queue_lock, lock_flags);  in vidioc_dqbuf()
766 	spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);  in vidioc_dqbuf()
899 	unsigned long lock_flags;  in usbvision_read()  local
940 			spin_lock_irqsave(&usbvision->queue_lock, lock_flags);  in usbvision_read()
943 					       lock_flags);  in usbvision_read()
959 	spin_lock_irqsave(&usbvision->queue_lock, lock_flags);  in usbvision_read()
963 	spin_unlock_irqrestore(&usbvision->queue_lock, lock_flags);  in usbvision_read()