From db29753960904012acfb8958bda5bc53c97f7e56 Mon Sep 17 00:00:00 2001
From: "Ismail, Mustafa" <mustafa.ismail@intel.com>
Date: Fri, 14 Jul 2017 09:41:31 -0500
Subject: RDMA/core: Initialize port_num in qp_attr

commit a62ab66b13a0f9bcb17b7b761f6670941ed5cd62 upstream.

Initialize the port_num for iWARP in rdma_init_qp_attr.

Fixes: 5ecce4c9b17b("Check port number supplied by user verbs cmds")
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Tested-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/infiniband/core/cma.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index f2d40c05ef9e..809a02800102 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -976,6 +976,8 @@ 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;
 
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