diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index e57545cf337a..080ded0e0b3d 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -59,6 +59,8 @@ static void isert_recv_done(struct ib_cq *cq, struct ib_wc *wc);
 static void isert_send_done(struct ib_cq *cq, struct ib_wc *wc);
 static void isert_login_recv_done(struct ib_cq *cq, struct ib_wc *wc);
 static void isert_login_send_done(struct ib_cq *cq, struct ib_wc *wc);
+static void isert_unmap_tx_desc(struct iser_tx_desc *tx_desc,
+				struct ib_device *ib_dev);
 
 static int isert_sg_tablesize_set(const char *val, const struct kernel_param *kp)
 {
@@ -495,6 +497,8 @@ isert_connect_release(struct isert_conn *isert_conn)
 	if (isert_conn->qp)
 		isert_destroy_qp(isert_conn);
 
+	isert_unmap_tx_desc(&isert_conn->login_tx_desc, device->ib_device);
+
 	if (isert_conn->login_desc)
 		isert_free_login_buf(isert_conn);
 
@@ -955,14 +959,17 @@ isert_put_login_tx(struct iscsit_conn *conn, struct iscsi_login *login,
 			mutex_lock(&isert_conn->mutex);
 			isert_conn->state = ISER_CONN_FULL_FEATURE;
 			mutex_unlock(&isert_conn->mutex);
-			goto post_send;
+
+			/* Sent from isert_get_rx_pdu() after registration. */
+			isert_conn->login_rsp_pending = true;
+			return 0;
 		}
 
 		ret = isert_login_post_recv(isert_conn);
 		if (ret)
 			return ret;
 	}
-post_send:
+
 	ret = isert_login_post_send(isert_conn, tx_desc);
 	if (ret)
 		return ret;
@@ -2622,8 +2629,17 @@ static void isert_free_conn(struct iscsit_conn *conn)
 
 static void isert_get_rx_pdu(struct iscsit_conn *conn)
 {
+	struct isert_conn *isert_conn = conn->context;
 	struct completion comp;
 
+	/* The session is registered by now; see isert_put_login_tx(). */
+	if (isert_conn->login_rsp_pending) {
+		isert_conn->login_rsp_pending = false;
+		if (isert_login_post_send(isert_conn,
+					  &isert_conn->login_tx_desc))
+			return;
+	}
+
 	init_completion(&comp);
 
 	wait_for_completion_interruptible(&comp);
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index 0b2dfd6e7e27..0bac5aa66c80 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -178,6 +178,7 @@ struct isert_conn {
 	struct completion	login_comp;
 	struct completion	login_req_comp;
 	struct iser_tx_desc	login_tx_desc;
+	bool			login_rsp_pending;
 	struct rdma_cm_id	*cm_id;
 	struct ib_qp		*qp;
 	struct ib_cq		*cq;