1105 static bool validate_ipv4_net_dev(struct net_device *net_dev,  in validate_ipv4_net_dev()  argument
1123 	fl4.flowi4_iif = net_dev->ifindex;  in validate_ipv4_net_dev()
1128 	err = fib_lookup(dev_net(net_dev), &fl4, &res, 0);  in validate_ipv4_net_dev()
1129 	ret = err == 0 && FIB_RES_DEV(res) == net_dev;  in validate_ipv4_net_dev()
1135 static bool validate_ipv6_net_dev(struct net_device *net_dev,  in validate_ipv6_net_dev()  argument
1142 	struct rt6_info *rt = rt6_lookup(dev_net(net_dev), &dst_addr->sin6_addr,  in validate_ipv6_net_dev()
1143 					 &src_addr->sin6_addr, net_dev->ifindex,  in validate_ipv6_net_dev()
1150 	ret = rt->rt6i_idev->dev == net_dev;  in validate_ipv6_net_dev()
1159 static bool validate_net_dev(struct net_device *net_dev,  in validate_net_dev()  argument
1171 		       validate_ipv4_net_dev(net_dev, daddr4, saddr4);  in validate_net_dev()
1175 		       validate_ipv6_net_dev(net_dev, daddr6, saddr6);  in validate_net_dev()
1188 	struct net_device *net_dev;  in cma_get_net_dev()  local
1197 	net_dev = ib_get_net_dev_by_params(req->device, req->port, req->pkey,  in cma_get_net_dev()
1199 	if (!net_dev)  in cma_get_net_dev()
1202 	if (!validate_net_dev(net_dev, listen_addr, src_addr)) {  in cma_get_net_dev()
1203 		dev_put(net_dev);  in cma_get_net_dev()
1207 	return net_dev;  in cma_get_net_dev()
1269 			      const struct net_device *net_dev,  in cma_match_net_dev()  argument
1274 	if (!net_dev)  in cma_match_net_dev()
1281 	       (net_eq(dev_net(net_dev), addr->dev_addr.net) &&  in cma_match_net_dev()
1282 		addr->dev_addr.bound_dev_if == net_dev->ifindex);  in cma_match_net_dev()
1290 		const struct net_device *net_dev)  in cma_find_listener()  argument
1300 			    cma_match_net_dev(&id_priv->id, net_dev, req->port))  in cma_find_listener()
1306 				    cma_match_net_dev(&id_priv_dev->id, net_dev, req->port))  in cma_find_listener()
1317 						 struct net_device **net_dev)  in cma_id_from_event()  argument
1328 	*net_dev = cma_get_net_dev(ib_event, &req);  in cma_id_from_event()
1329 	if (IS_ERR(*net_dev)) {  in cma_id_from_event()
1330 		if (PTR_ERR(*net_dev) == -EAFNOSUPPORT) {  in cma_id_from_event()
1332 			*net_dev = NULL;  in cma_id_from_event()
1336 			*net_dev = NULL;  in cma_id_from_event()
1338 			return ERR_CAST(*net_dev);  in cma_id_from_event()
1342 	bind_list = cma_ps_find(*net_dev ? dev_net(*net_dev) : &init_net,  in cma_id_from_event()
1345 	id_priv = cma_find_listener(bind_list, cm_id, ib_event, &req, *net_dev);  in cma_id_from_event()
1346 	if (IS_ERR(id_priv) && *net_dev) {  in cma_id_from_event()
1347 		dev_put(*net_dev);  in cma_id_from_event()
1348 		*net_dev = NULL;  in cma_id_from_event()
1602 					       struct net_device *net_dev)  in cma_new_conn_id()  argument
1635 	if (net_dev) {  in cma_new_conn_id()
1636 		ret = rdma_copy_addr(&rt->addr.dev_addr, net_dev, NULL);  in cma_new_conn_id()
1663 					      struct net_device *net_dev)  in cma_new_udp_id()  argument
1683 	if (net_dev) {  in cma_new_udp_id()
1684 		ret = rdma_copy_addr(&id->route.addr.dev_addr, net_dev, NULL);  in cma_new_udp_id()
1731 	struct net_device *net_dev;  in cma_req_handler()  local
1734 	listen_id = cma_id_from_event(cm_id, ib_event, &net_dev);  in cma_req_handler()
1752 		conn_id = cma_new_udp_id(&listen_id->id, ib_event, net_dev);  in cma_req_handler()
1757 		conn_id = cma_new_conn_id(&listen_id->id, ib_event, net_dev);  in cma_req_handler()
1795 	if (net_dev)  in cma_req_handler()
1796 		dev_put(net_dev);  in cma_req_handler()
1812 	if (net_dev)  in cma_req_handler()
1813 		dev_put(net_dev);  in cma_req_handler()