net/mlx5: fix Multi-Packet RQ mempool free

When MPRQ mempool is freed, the pointer stored in priv structure must be
reset to null. Otherwise, the mempool can be freed again if the port is
restarted.

Fixes: 7d6bf6b866b8 ("net/mlx5: add Multi-Packet Rx support")
Cc: stable@dpdk.org
Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
Acked-by: Shahaf Shuler <shahafs@mellanox.com>

diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index 183da0e..34c8338 100644 (file)
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -1179,6 +1179,7 @@ mlx5_mprq_free_mp(struct rte_eth_dev *dev)
                        continue;
                rxq->mprq_mp = NULL;
        }
+       priv->mprq_mp = NULL;
        return 0;
 }