Use IS_ERR() and PTR_ERR() instead of PTR_ZRR_OR_ZERO() to simplify code, avoid redundant judgements. Signed-off-by: Zhang Shengju <zhangshengju@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Tang Bin <tangbin@xxxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c index af4ebd295..00e7add0b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c @@ -93,9 +93,8 @@ static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv, } rt = ip_route_output_key(dev_net(mirred_dev), fl4); - ret = PTR_ERR_OR_ZERO(rt); - if (ret) - return ret; + if (IS_ERR(rt)) + return PTR_ERR(rt); if (mlx5_lag_is_multipath(mdev) && rt->rt_gw_family != AF_INET) { ip_rt_put(rt); -- 2.20.1.windows.1