mirror of https://gitee.com/openkylin/linux.git
IB/cm: Fix handling of duplicate SIDR REQs
Fix handling to duplicate SIDR REQs to avoid sending a reject if a duplicate is detected. Duplicates should just be silently discarded. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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@ -2794,7 +2794,6 @@ static int cm_sidr_req_handler(struct cm_work *work)
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work->mad_recv_wc->recv_buf.grh,
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&cm_id_priv->av);
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cm_id_priv->id.remote_id = sidr_req_msg->request_id;
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cm_id_priv->id.state = IB_CM_SIDR_REQ_RCVD;
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cm_id_priv->tid = sidr_req_msg->hdr.tid;
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atomic_inc(&cm_id_priv->work_count);
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@ -2804,6 +2803,7 @@ static int cm_sidr_req_handler(struct cm_work *work)
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spin_unlock_irq(&cm.lock);
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goto out; /* Duplicate message. */
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}
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cm_id_priv->id.state = IB_CM_SIDR_REQ_RCVD;
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cur_cm_id_priv = cm_find_listen(cm_id->device,
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sidr_req_msg->service_id,
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sidr_req_msg->private_data);
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