RDMA/core: Initialize port_num in qp_attr

Initialize the port_num for iWARP in rdma_init_qp_attr.

Fixes: 5ecce4c("Check port number supplied by user verbs cmds")
Cc: <[email protected]> # v2.6.14+
Reviewed-by: Steve Wise <[email protected]>
Signed-off-by: Mustafa Ismail <[email protected]>
Tested-by: Mike Marciniszyn <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>

Author: mustafakismail

drivers/infiniband/core/cma.c

@@ -1033,6 +1033,8 @@ int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr,
 		} else
 			ret = iw_cm_init_qp_attr(id_priv->cm_id.iw, qp_attr,
 						 qp_attr_mask);
+		qp_attr->port_num = id_priv->id.port_num;
+		*qp_attr_mask |= IB_QP_PORT;
 	} else
 		ret = -ENOSYS;