linux-kernel - Re: [PATCH] net/mlx5: Use PTR_ERR_OR_ZERO rather than its implementation

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Message-ID: <797f3807c00a52ea923301b4859f24145f0a291a.camel@mellanox.com>
Date:   Tue, 3 Sep 2019 20:08:56 +0000
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     "zhongjiang@...wei.com" <zhongjiang@...wei.com>,
        "davem@...emloft.net" <davem@...emloft.net>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "leon@...nel.org" <leon@...nel.org>
Subject: Re: [PATCH] net/mlx5: Use PTR_ERR_OR_ZERO rather than its
 implementation

On Tue, 2019-09-03 at 14:56 +0800, zhong jiang wrote:
> PTR_ERR_OR_ZERO contains if(IS_ERR(...)) + PTR_ERR. It is better
> to use it directly. hence just replace it.
> 
> Signed-off-by: zhong jiang <zhongjiang@...wei.com>
> ---
>  drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
> b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
> index 5581a80..2e0b467 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
> @@ -989,10 +989,7 @@ static void mlx5e_hairpin_flow_del(struct
> mlx5e_priv *priv,
>  					    &flow_act, dest, dest_ix);
>  	mutex_unlock(&priv->fs.tc.t_lock);
>  
> -	if (IS_ERR(flow->rule[0]))
> -		return PTR_ERR(flow->rule[0]);
> -
> -	return 0;
> +	return PTR_ERR_OR_ZERO(flow->rule[0]);
>  }
>  
>  static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv,

Acked-by: Saeed Mahameed <saeedm@...lanox.com>