From: Leon Romanovsky <leonro@mellanox.com>
Date: Thu, 11 Oct 2018 19:36:10 +0000 (+0300)
Subject: RDMA/cm: Respect returned status of cm_init_av_by_path
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=e54b6a3bcd1ec972b25a164bdf495d9e7120b107;p=openwrt%2Fstaging%2Fblogic.git

RDMA/cm: Respect returned status of cm_init_av_by_path

Add missing check for failure of cm_init_av_by_path

Fixes: e1444b5a163e ("IB/cm: Fix automatic path migration support")
Reported-by: Slava Shwartsman <slavash@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
---

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index a6a20603ccea..edb2cb758be7 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3292,8 +3292,11 @@ static int cm_lap_handler(struct cm_work *work)
 	if (ret)
 		goto unlock;
 
-	cm_init_av_by_path(param->alternate_path, NULL, &cm_id_priv->alt_av,
-			   cm_id_priv);
+	ret = cm_init_av_by_path(param->alternate_path, NULL,
+				 &cm_id_priv->alt_av, cm_id_priv);
+	if (ret)
+		goto unlock;
+
 	cm_id_priv->id.lap_state = IB_CM_LAP_RCVD;
 	cm_id_priv->tid = lap_msg->hdr.tid;
 	ret = atomic_inc_and_test(&cm_id_priv->work_count);