net/mlx5: fix crash during RETA update

[dpdk.git] / drivers / net / mlx5 / mlx5_rss.c

diff --git a/drivers/net/mlx5/mlx5_rss.c b/drivers/net/mlx5/mlx5_rss.c
index d3d2603..8942879 100644 (file)
--- a/drivers/net/mlx5/mlx5_rss.c
+++ b/drivers/net/mlx5/mlx5_rss.c
@@ -351,11 +351,12 @@ mlx5_dev_rss_reta_update(struct rte_eth_dev *dev,
        struct priv *priv = dev->data->dev_private;
 
        assert(!mlx5_is_secondary());
-       mlx5_dev_stop(dev);
        priv_lock(priv);
        ret = priv_dev_rss_reta_update(priv, reta_conf, reta_size);
        priv_unlock(priv);
-       if (ret)
-               return -ret;
-       return mlx5_dev_start(dev);
+       if (dev->data->dev_started) {
+               mlx5_dev_stop(dev);
+               mlx5_dev_start(dev);
+       }
+       return -ret;
 }