netdev - Re: [PATCH net-next v3] net/mlx5e: Remove NULL check before dev

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Date:   Tue, 4 Apr 2023 19:44:29 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Yang Li <yang.lee@...ux.alibaba.com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, saeedm@...dia.com, netdev@...r.kernel.org,
        simon.horman@...igine.com, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org, Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH net-next v3] net/mlx5e: Remove NULL check before
 dev_{put, hold}

On Tue, Apr 04, 2023 at 03:29:32PM +0800, Yang Li wrote:
> ./drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c:35:2-9: WARNING: NULL check before dev_{put, hold} functions is not needed.
> ./drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c:72:2-10: WARNING: NULL check before dev_{put, hold} functions is not needed.
> ./drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c:80:2-9: WARNING: NULL check before dev_{put, hold} functions is not needed.
> ./drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c:35:2-9: WARNING: NULL check before dev_{put, hold} functions is not needed.
> ./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.
> ./drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c:1450:2-10: WARNING: NULL check before dev_{put, hold} functions is not needed.
> 
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4667
> Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
> ---
> 
> change in v3:
> --According to Leon's suggestion, do this cleanup for whole driver.
> 
>  drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c    |  9 +++------
>  .../net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c  | 10 +++-------
>  drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c      |  3 +--
>  3 files changed, 7 insertions(+), 15 deletions(-)
> 

Thanks,
Reviewed-by: Leon Romanovsky <leonro@...dia.com>