Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 29c2731c authored by Sean Hefty's avatar Sean Hefty Committed by Roland Dreier
Browse files

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: default avatarSean Hefty <sean.hefty@intel.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 5d861be8

drivers/infiniband/core/cm.c

+1 −1
Original line number Diff line number Diff line
@@ -2794,7 +2794,6 @@ static int cm_sidr_req_handler(struct cm_work *work) 
				work->mad_recv_wc->recv_buf.grh,

				&cm_id_priv->av);

	cm_id_priv->id.remote_id = sidr_req_msg->request_id;

	cm_id_priv->id.state = IB_CM_SIDR_REQ_RCVD;

	cm_id_priv->tid = sidr_req_msg->hdr.tid;

	atomic_inc(&cm_id_priv->work_count);
@@ -2804,6 +2803,7 @@ static int cm_sidr_req_handler(struct cm_work *work) 
		spin_unlock_irq(&cm.lock);

		goto out; /* Duplicate message. */

	}

	cm_id_priv->id.state = IB_CM_SIDR_REQ_RCVD;

	cur_cm_id_priv = cm_find_listen(cm_id->device,

					sidr_req_msg->service_id,

					sidr_req_msg->private_data);