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authorEran Ben Elisha <eranbe@mellanox.com>2019-03-28 10:00:35 +0200
committerSaeed Mahameed <saeedm@mellanox.com>2019-04-09 12:33:50 -0700
commit192fba79822d9612af5ccd3f8aa05c922640ee13 (patch)
tree80618c912ab23734560ea6e8be6a344d2bd1e86b /drivers/net
parentdf3a8344d404a810b4aadbf19b08c8232fbaa715 (diff)
net/mlx5e: Skip un-needed tx recover if interface state is down
Skip recover operation if interface is in down state as TX objects are not open. This fixes a bug were the recover flow re-opened TX objects which were not opened before, leading to a possible memory leak at driver unload. Fixes: de8650a82071 ("net/mlx5e: Add tx reporter support") Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
index 9d38e62cdf24..a85843e4e925 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
@@ -186,12 +186,18 @@ static int mlx5e_tx_reporter_recover_from_ctx(struct mlx5e_tx_err_ctx *err_ctx)
static int mlx5e_tx_reporter_recover_all(struct mlx5e_priv *priv)
{
- int err;
+ int err = 0;
rtnl_lock();
mutex_lock(&priv->state_lock);
+
+ if (!test_bit(MLX5E_STATE_OPENED, &priv->state))
+ goto out;
+
mlx5e_close_locked(priv->netdev);
err = mlx5e_open_locked(priv->netdev);
+
+out:
mutex_unlock(&priv->state_lock);
rtnl_unlock();