Merge tag 'isci-for-3.5' into misc

[firefly-linux-kernel-4.4.55.git] / drivers / infiniband / core / mad.c

diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 426bb7617ec6fa4027dd6d535eab1fa6675562fc..b0d0bc8a6fb6ca58c61206ff11dab9f2f5cd5e8e 100644 (file)
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -1854,6 +1854,8 @@ static bool generate_unmatched_resp(struct ib_mad_private *recv,
                response->mad.mad.mad_hdr.method = IB_MGMT_METHOD_GET_RESP;
                response->mad.mad.mad_hdr.status =
                        cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB);
+               if (recv->mad.mad.mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
+                       response->mad.mad.mad_hdr.status |= IB_SMP_DIRECTION;
 
                return true;
        } else {
@@ -1869,6 +1871,7 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
        struct ib_mad_list_head *mad_list;
        struct ib_mad_agent_private *mad_agent;
        int port_num;
+       int ret = IB_MAD_RESULT_SUCCESS;
 
        mad_list = (struct ib_mad_list_head *)(unsigned long)wc->wr_id;
        qp_info = mad_list->mad_queue->qp_info;
@@ -1952,8 +1955,6 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
 local:
        /* Give driver "right of first refusal" on incoming MAD */
        if (port_priv->device->process_mad) {
-               int ret;
-
                ret = port_priv->device->process_mad(port_priv->device, 0,
                                                     port_priv->port_num,
                                                     wc, &recv->grh,
@@ -1981,7 +1982,8 @@ local:
                 * or via recv_handler in ib_mad_complete_recv()
                 */
                recv = NULL;
-       } else if (generate_unmatched_resp(recv, response)) {
+       } else if ((ret & IB_MAD_RESULT_SUCCESS) &&
+                  generate_unmatched_resp(recv, response)) {
                agent_send_response(&response->mad.mad, &recv->grh, wc,
                                    port_priv->device, port_num, qp_info->qp->qp_num);
        }