[PATCH 4.12 167/196] RDMA/core: Initialize port_num in qp_attr

[Greg Kroah-Hartman]

4.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ismail, Mustafa <mustafa.ism...@intel.com>

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 <sw...@opengridcomputing.com>
Signed-off-by: Mustafa Ismail <mustafa.ism...@intel.com>
Tested-by: Mike Marciniszyn <mike.marcinis...@intel.com>
Signed-off-by: Doug Ledford <dledf...@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/infiniband/core/cma.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1044,6 +1044,8 @@ int rdma_init_qp_attr(struct rdma_cm_id
                } 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;