252 	struct socket_wq *wq;  in sock_alloc_inode()  local
257 	wq = kmalloc(sizeof(*wq), GFP_KERNEL);  in sock_alloc_inode()
258 	if (!wq) {  in sock_alloc_inode()
262 	init_waitqueue_head(&wq->wait);  in sock_alloc_inode()
263 	wq->fasync_list = NULL;  in sock_alloc_inode()
264 	RCU_INIT_POINTER(ei->socket.wq, wq);  in sock_alloc_inode()
278 	struct socket_wq *wq;  in sock_destroy_inode()  local
281 	wq = rcu_dereference_protected(ei->socket.wq, 1);  in sock_destroy_inode()
282 	kfree_rcu(wq, rcu);  in sock_destroy_inode()
612 	if (rcu_dereference_protected(sock->wq, 1)->fasync_list)  in sock_release()
1210 	struct socket_wq *wq;  in sock_fasync()  local
1216 	wq = rcu_dereference_protected(sock->wq, sock_owned_by_user(sk));  in sock_fasync()
1217 	fasync_helper(fd, filp, on, &wq->fasync_list);  in sock_fasync()
1219 	if (!wq->fasync_list)  in sock_fasync()
1232 	struct socket_wq *wq;  in sock_wake_async()  local
1237 	wq = rcu_dereference(sock->wq);  in sock_wake_async()
1238 	if (!wq || !wq->fasync_list) {  in sock_wake_async()
1253 		kill_fasync(&wq->fasync_list, SIGIO, band);  in sock_wake_async()
1256 		kill_fasync(&wq->fasync_list, SIGURG, band);  in sock_wake_async()