linux-kernel - [PATCH 3.16 051/294] RDMA/core: Initialize port_num in qp

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Date:   Mon, 06 Nov 2017 23:03:02 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org,
        "Steve Wise" <swise@...ngridcomputing.com>,
        "Doug Ledford" <dledford@...hat.com>,
        "Ismail, Mustafa" <mustafa.ismail@...el.com>,
        "Mike Marciniszyn" <mike.marciniszyn@...el.com>
Subject: [PATCH 3.16 051/294] RDMA/core: Initialize port_num in qp_attr

3.16.50-rc1 review patch.  If anyone has any objections, please let me know.

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

From: "Ismail, Mustafa" <mustafa.ismail@...el.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 <swise@...ngridcomputing.com>
Signed-off-by: Mustafa Ismail <mustafa.ismail@...el.com>
Tested-by: Mike Marciniszyn <mike.marciniszyn@...el.com>
Signed-off-by: Doug Ledford <dledford@...hat.com>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/infiniband/core/cma.c | 2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -753,6 +753,8 @@ 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;
 		break;
 	default:
 		ret = -ENOSYS;