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Date:   Tue, 8 Dec 2020 11:18:32 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Zheng Yongjun <zhengyongjun3@...wei.com>
Cc:     <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <linux-rdma@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next] net/mlx4: simplify the return expression of
 mlx4_init_cq_table()

On Tue, 8 Dec 2020 21:55:43 +0800 Zheng Yongjun wrote:
> diff --git a/drivers/net/ethernet/mellanox/mlx4/cq.c b/drivers/net/ethernet/mellanox/mlx4/cq.c
> index 3b8576b9c2f9..68bd18ee6ee3 100644
> --- a/drivers/net/ethernet/mellanox/mlx4/cq.c
> +++ b/drivers/net/ethernet/mellanox/mlx4/cq.c
> @@ -462,19 +462,14 @@ EXPORT_SYMBOL_GPL(mlx4_cq_free);
>  int mlx4_init_cq_table(struct mlx4_dev *dev)
>  {
>  	struct mlx4_cq_table *cq_table = &mlx4_priv(dev)->cq_table;
> -	int err;
>  
>  	spin_lock_init(&cq_table->lock);
>  	INIT_RADIX_TREE(&cq_table->tree, GFP_ATOMIC);
>  	if (mlx4_is_slave(dev))
>  		return 0;
>  
> -	err = mlx4_bitmap_init(&cq_table->bitmap, dev->caps.num_cqs,
> -			       dev->caps.num_cqs - 1, dev->caps.reserved_cqs, 0);
> -	if (err)
> -		return err;
> -
> -	return 0;
> +	return mlx4_bitmap_init(&cq_table->bitmap, dev->caps.num_cqs,
> +			        dev->caps.num_cqs - 1, dev->caps.reserved_cqs, 0);
>  }
>  
>  void mlx4_cleanup_cq_table(struct mlx4_dev *dev)

Checkpatch reports the indentation is off here:

ERROR: code indent should use tabs where possible
#37: FILE: drivers/net/ethernet/mellanox/mlx4/cq.c:472:
+^I^I^I        dev->caps.num_cqs - 1, dev->caps.reserved_cqs, 0);$

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