linux-kernel - Re: [PATCH 05/10] ext4: remove unnecessary return for void function

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Message-Id: <877cqtl179.fsf@doe.com>
Date:   Fri, 21 Jul 2023 21:13:38 +0530
From:   Ritesh Harjani (IBM) <ritesh.list@...il.com>
To:     Kemeng Shi <shikemeng@...weicloud.com>, tytso@....edu,
        adilger.kernel@...ger.ca, ojaswin@...ux.ibm.com,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     shikemeng@...weicloud.com
Subject: Re: [PATCH 05/10] ext4: remove unnecessary return for void function

Kemeng Shi <shikemeng@...weicloud.com> writes:

> The return at end of void function is nunecessary, just remove it.

s/nunecessary/unnecessary

Note, while applying this patch series on ted's dev branch, I got a
conflict in this patch. It's eaier to resolve, however you might want to
make sure that it is cleanly applicable on a given tree in v2. 

>
> Signed-off-by: Kemeng Shi <shikemeng@...weicloud.com>
> ---
>  fs/ext4/mballoc.c | 6 ------
>  1 file changed, 6 deletions(-)
>
> diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
> index b838944b5f09..78160bf5b533 100644
> --- a/fs/ext4/mballoc.c
> +++ b/fs/ext4/mballoc.c
> @@ -4880,7 +4880,6 @@ static void ext4_mb_generate_from_freelist(struct super_block *sb, void *bitmap,
>  		mb_set_bits(bitmap, entry->efd_start_cluster, entry->efd_count);
>  		n = rb_next(n);
>  	}
> -	return;
>  }
>  
>  /*
> @@ -5634,12 +5633,10 @@ static void ext4_mb_show_ac(struct ext4_allocation_context *ac)
>  #else
>  static inline void ext4_mb_show_pa(struct super_block *sb)
>  {
> -	return;
>  }
>  static inline void ext4_mb_show_ac(struct ext4_allocation_context *ac)
>  {
>  	ext4_mb_show_pa(ac->ac_sb);
> -	return;
>  }
>  #endif
>  
> @@ -5885,7 +5882,6 @@ static void ext4_mb_add_n_trim(struct ext4_allocation_context *ac)
>  						  order, lg_prealloc_count);
>  		return;

Why not kill this ^^ return too?

>  	}
> -	return ;
>  }
>  
>  /*
> @@ -6470,7 +6466,6 @@ static void ext4_mb_clear_bb(handle_t *handle, struct inode *inode,
>  	}
>  error_return:
>  	ext4_std_error(sb, err);
> -	return;
>  }
>  
>  /**
> @@ -6573,7 +6568,6 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode,
>  	}
>  
>  	ext4_mb_clear_bb(handle, inode, block, count, flags);
> -	return;
>  }
>  
>  /**
> -- 
> 2.30.0

With above addressed, feel free to add: 

Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@...il.com>

-ritesh