On 08/05/2018 12:34 PM, Christophe JAILLET wrote:
If the 2nd memory allocation of the loop fails, we must undo the
memory allocation done so far.
Fixes: 67f8b1dcb9ee ("net/mlx4_en: Refactor the XDP forwarding rings scheme")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index e0adac4a9a19..bf078244e467 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -3331,7 +3331,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
if (!priv->tx_cq[t]) {
kfree(priv->tx_ring[t]);
err = -ENOMEM;
- goto out;
+ goto err_free_tx;
}
}
priv->rx_ring_num = prof->rx_ring_num;
Hi Christophe,
Thanks for re-sending this.
In your previous mail you referred to the call mlx4_en_destroy_netdev here:
https://elixir.bootlin.com/linux/v4.16-rc5/source/drivers/net/ethernet/mellanox/mlx4/en_main.c#L232
While I was referring to the one below, which is always called on failures:
https://elixir.bootlin.com/linux/v4.16-rc5/source/drivers/net/ethernet/mellanox/mlx4/en_netdev.c#L3587
I still believe that the err_free_tx label and its while loop is redundant.
Regards,
Tariq
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