linux-kernel - [PATCH 4.4 76/83] RDMA/core: Initialize port_num in qp

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Date:   Tue, 25 Jul 2017 12:19:40 -0700
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Steve Wise <swise@...ngridcomputing.com>,
        Mustafa Ismail <mustafa.ismail@...el.com>,
        Mike Marciniszyn <mike.marciniszyn@...el.com>,
        Doug Ledford <dledford@...hat.com>
Subject: [PATCH 4.4 76/83] RDMA/core: Initialize port_num in qp_attr

4.4-stable 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>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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

--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -857,6 +857,8 @@ 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;