190 	struct netpoll_info *ni = rcu_dereference_bh(dev->npinfo);  in netpoll_poll_dev()  local
197 	if (!ni || down_trylock(&ni->dev_lock))  in netpoll_poll_dev()
204 		up(&ni->dev_lock);  in netpoll_poll_dev()
214 	up(&ni->dev_lock);  in netpoll_poll_dev()
222 	struct netpoll_info *ni;  in netpoll_poll_disable()  local
226 	ni = srcu_dereference(dev->npinfo, &netpoll_srcu);  in netpoll_poll_disable()
227 	if (ni)  in netpoll_poll_disable()
228 		down(&ni->dev_lock);  in netpoll_poll_disable()
235 	struct netpoll_info *ni;  in netpoll_poll_enable()  local
237 	ni = rcu_dereference(dev->npinfo);  in netpoll_poll_enable()
238 	if (ni)  in netpoll_poll_enable()
239 		up(&ni->dev_lock);  in netpoll_poll_enable()