The call netdev_{put, hold} of dev_{put, hold} will check NULL, so there is no need to check before using dev_{put, hold}, remove it to silence the warnings: ./drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:734:2-9: WARNING: NULL check before dev_{put, hold} functions is not needed. ./drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:769:2-9: WARNING: NULL check before dev_{put, hold} functions is not needed. Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4667 Signed-off-by: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c index 20c2d2ecaf93..69ac30a728f4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c @@ -730,8 +730,7 @@ static int mlx5e_set_vf_tunnel(struct mlx5_eswitch *esw, } out: - if (route_dev) - dev_put(route_dev); + dev_put(route_dev); return err; } @@ -765,8 +764,7 @@ static int mlx5e_update_vf_tunnel(struct mlx5_eswitch *esw, mlx5e_tc_match_to_reg_mod_hdr_change(esw->dev, mod_hdr_acts, VPORT_TO_REG, act_id, data); out: - if (route_dev) - dev_put(route_dev); + dev_put(route_dev); return err; } -- 2.20.1.7.g153144c