X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Finfiniband%2Fcore%2Fcm.c;h=0de335b7bfc2f9e5236f603cf765e3fd96d89fc1;hp=450adfe0a4f1c5e4ed847c340e111ca62d000cbb;hb=0612ec48762bf8712db1925b2e67246d2237ebab;hpb=d59bf96cdde5b874a57bfd1425faa45da915d0b7

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 450adfe0a4f1..0de335b7bfc2 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -701,7 +701,7 @@ static void cm_reset_to_idle(struct cm_id_private *cm_id_priv)
 	}
 }
 
-void ib_destroy_cm_id(struct ib_cm_id *cm_id)
+static void cm_destroy_id(struct ib_cm_id *cm_id, int err)
 {
 	struct cm_id_private *cm_id_priv;
 	struct cm_work *work;
@@ -735,12 +735,22 @@ retest:
 			       sizeof cm_id_priv->av.port->cm_dev->ca_guid,
 			       NULL, 0);
 		break;
+	case IB_CM_REQ_RCVD:
+		if (err == -ENOMEM) {
+			/* Do not reject to allow future retries. */
+			cm_reset_to_idle(cm_id_priv);
+			spin_unlock_irqrestore(&cm_id_priv->lock, flags);
+		} else {
+			spin_unlock_irqrestore(&cm_id_priv->lock, flags);
+			ib_send_cm_rej(cm_id, IB_CM_REJ_CONSUMER_DEFINED,
+				       NULL, 0, NULL, 0);
+		}
+		break;
 	case IB_CM_MRA_REQ_RCVD:
 	case IB_CM_REP_SENT:
 	case IB_CM_MRA_REP_RCVD:
 		ib_cancel_mad(cm_id_priv->av.port->mad_agent, cm_id_priv->msg);
 		/* Fall through */
-	case IB_CM_REQ_RCVD:
 	case IB_CM_MRA_REQ_SENT:
 	case IB_CM_REP_RCVD:
 	case IB_CM_MRA_REP_SENT:
@@ -775,6 +785,11 @@ retest:
 	kfree(cm_id_priv->private_data);
 	kfree(cm_id_priv);
 }
+
+void ib_destroy_cm_id(struct ib_cm_id *cm_id)
+{
+	cm_destroy_id(cm_id, 0);
+}
 EXPORT_SYMBOL(ib_destroy_cm_id);
 
 int ib_cm_listen(struct ib_cm_id *cm_id, __be64 service_id, __be64 service_mask,
@@ -960,8 +975,10 @@ int ib_send_cm_req(struct ib_cm_id *cm_id,
 
 	cm_id_priv->timewait_info = cm_create_timewait_info(cm_id_priv->
 							    id.local_id);
-	if (IS_ERR(cm_id_priv->timewait_info))
+	if (IS_ERR(cm_id_priv->timewait_info)) {
+		ret = PTR_ERR(cm_id_priv->timewait_info);
 		goto out;
+	}
 
 	ret = cm_init_av_by_path(param->primary_path, &cm_id_priv->av);
 	if (ret)
@@ -1163,7 +1180,7 @@ static void cm_process_work(struct cm_id_private *cm_id_priv,
 	}
 	cm_deref_id(cm_id_priv);
 	if (ret)
-		ib_destroy_cm_id(&cm_id_priv->id);
+		cm_destroy_id(&cm_id_priv->id, ret);
 }
 
 static void cm_format_mra(struct cm_mra_msg *mra_msg,
@@ -3152,6 +3169,7 @@ static int cm_init_qp_rtr_attr(struct cm_id_private *cm_id_priv,
 		}
 		if (cm_id_priv->alt_av.ah_attr.dlid) {
 			*qp_attr_mask |= IB_QP_ALT_PATH;
+			qp_attr->alt_port_num = cm_id_priv->alt_av.port->port_num;
 			qp_attr->alt_ah_attr = cm_id_priv->alt_av.ah_attr;
 		}
 		ret = 0;