net/mlx5e: fix memory leak of tls

The error return path when create_singlethread_workqueue fails currently
does not kfree tls and leads to a memory leak. Fix this by kfree'ing
tls before returning -ENOMEM.

Addresses-Coverity: ("Resource leak")
Fixes: 1182f3659357 ("net/mlx5e: kTLS, Add kTLS RX HW offload support")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
index 99beb92..fee991f 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
@@ -232,8 +232,10 @@ int mlx5e_tls_init(struct mlx5e_priv *priv)
                return -ENOMEM;
 
        tls->rx_wq = create_singlethread_workqueue("mlx5e_tls_rx");
-       if (!tls->rx_wq)
+       if (!tls->rx_wq) {
+               kfree(tls);
                return -ENOMEM;
+       }
 
        priv->tls = tls;
        return 0;