mlx4: fix possible crash when clearing device statistics

A typo causes TX stats indices to be retrieved from RX queues.

Fixes: 7fae69eeff13 ("mlx4: new poll mode driver")

Reported-by: Nicolas Harnois <nicolas.harnois@6wind.com>
Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>

diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index 4198c04..d961a8a 100644 (file)
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -3958,7 +3958,7 @@ mlx4_stats_reset(struct rte_eth_dev *dev)
        for (i = 0; (i != priv->txqs_n); ++i) {
                if ((*priv->txqs)[i] == NULL)
                        continue;
-               idx = (*priv->rxqs)[i]->stats.idx;
+               idx = (*priv->txqs)[i]->stats.idx;
                (*priv->txqs)[i]->stats =
                        (struct mlx4_txq_stats){ .idx = idx };
        }