diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index e029401b5680..f3f3051713ef 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -2061,19 +2061,14 @@ void ib_dispatch_event_clients(struct ib_event *event)
 	up_read(&event->device->event_handler_rwsem);
 }
 
-static int iw_query_port(struct ib_device *device,
-			   u32 port_num,
-			   struct ib_port_attr *port_attr)
+static int iw_query_port(struct ib_device *device, u32 port_num,
+                        struct ib_port_attr *port_attr,
+                        struct net_device *netdev)
 {
 	struct in_device *inetdev;
-	struct net_device *netdev;
 
 	memset(port_attr, 0, sizeof(*port_attr));
 
-	netdev = ib_device_get_netdev(device, port_num);
-	if (!netdev)
-		return -ENODEV;
-
 	port_attr->max_mtu = IB_MTU_4096;
 	port_attr->active_mtu = ib_mtu_int_to_enum(netdev->mtu);
 
@@ -2096,7 +2091,6 @@ static int iw_query_port(struct ib_device *device,
 		rcu_read_unlock();
 	}
 
-	dev_put(netdev);
 	return device->ops.query_port(device, port_num, port_attr);
 }
 
@@ -2134,13 +2128,27 @@ int ib_query_port(struct ib_device *device,
 		  u32 port_num,
 		  struct ib_port_attr *port_attr)
 {
+       struct net_device *netdev = NULL;
+       int ret;
+
 	if (!rdma_is_port_valid(device, port_num))
 		return -EINVAL;
 
+       if (rdma_protocol_iwarp(device, port_num) ||
+           rdma_protocol_roce(device, port_num)) {
+               netdev = ib_device_get_netdev(device, port_num);
+               if (!netdev)
+                       return -ENODEV;
+       }
+
 	if (rdma_protocol_iwarp(device, port_num))
-		return iw_query_port(device, port_num, port_attr);
+               ret = iw_query_port(device, port_num, port_attr, netdev);
 	else
-		return __ib_query_port(device, port_num, port_attr);
+               ret = __ib_query_port(device, port_num, port_attr);
+       if (netdev)
+               dev_put(netdev);
+       return ret;
+
 }
 EXPORT_SYMBOL(ib_query_port);
 
diff --git a/net/smc/smc_ib.c b/net/smc/smc_ib.c
index 9297dc20bfe2..d117f9fd527b 100644
--- a/net/smc/smc_ib.c
+++ b/net/smc/smc_ib.c
@@ -899,9 +899,7 @@ static void smc_copy_netdev_ifindex(struct smc_ib_device *smcibdev, int port)
 	struct ib_device *ibdev = smcibdev->ibdev;
 	struct net_device *ndev;
 
-	if (!ibdev->ops.get_netdev)
-		return;
-	ndev = ibdev->ops.get_netdev(ibdev, port + 1);
+	ndev = ib_device_get_netdev(ibdev, port + 1);
 	if (ndev) {
 		smcibdev->ndev_ifidx[port] = ndev->ifindex;
 		dev_put(ndev);
@@ -921,16 +919,18 @@ void smc_ib_ndev_change(struct net_device *ndev, unsigned long event)
 		port_cnt = smcibdev->ibdev->phys_port_cnt;
 		for (i = 0; i < min_t(size_t, port_cnt, SMC_MAX_PORTS); i++) {
 			libdev = smcibdev->ibdev;
-			if (!libdev->ops.get_netdev)
-				continue;
-			lndev = libdev->ops.get_netdev(libdev, i + 1);
-			dev_put(lndev);
-			if (lndev != ndev)
+			lndev = ib_device_get_netdev(libdev, i + 1);
+			if (lndev != ndev) {
+				dev_put(lndev);
 				continue;
+			}
 			if (event == NETDEV_REGISTER)
 				smcibdev->ndev_ifidx[i] = ndev->ifindex;
-			if (event == NETDEV_UNREGISTER)
+			if (event == NETDEV_UNREGISTER) {
 				smcibdev->ndev_ifidx[i] = 0;
+				ib_device_set_netdev(libdev, NULL, i + 1);
+			}
+			dev_put(lndev);
 		}
 	}
 	mutex_unlock(&smc_ib_devices.mutex);
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c
index 1dd362326c0a..8566937c8903 100644
--- a/net/smc/smc_pnet.c
+++ b/net/smc/smc_pnet.c
@@ -1054,9 +1054,7 @@ static void smc_pnet_find_rdma_dev(struct net_device *netdev,
 		for (i = 1; i <= SMC_MAX_PORTS; i++) {
 			if (!rdma_is_port_valid(ibdev->ibdev, i))
 				continue;
-			if (!ibdev->ibdev->ops.get_netdev)
-				continue;
-			ndev = ibdev->ibdev->ops.get_netdev(ibdev->ibdev, i);
+			ndev = ib_device_get_netdev(ibdev->ibdev, i);
 			if (!ndev)
 				continue;
 			dev_put(ndev);