netdev - Re: [PATCH net-next] net/mlx5: remove erroneous fallthrough

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Message-ID: <20200803154801.GC1726@embeddedor>
Date:   Mon, 3 Aug 2020 10:48:01 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Saeed Mahameed <saeedm@...lanox.com>,
        Leon Romanovsky <leon@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net-next] net/mlx5: remove erroneous fallthrough

On Mon, Aug 03, 2020 at 05:34:48PM +0300, Dan Carpenter wrote:
> This isn't a fall through because it was after a return statement.  The
> fall through annotation leads to a Smatch warning:
> 
>     drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c:246
>     mlx5e_ethtool_get_sset_count() warn: ignoring unreachable code.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

Reviewed-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Thanks
--
Gustavo

> ---
>  drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
> index 08270987c506..48397a577fcd 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
> @@ -243,7 +243,6 @@ int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset)
>  		return MLX5E_NUM_PFLAGS;
>  	case ETH_SS_TEST:
>  		return mlx5e_self_test_num(priv);
> -		fallthrough;
>  	default:
>  		return -EOPNOTSUPP;
>  	}
> -- 
> 2.27.0
>