linux-kernel - Re: [PATCH] btrfs: Remove some dead code

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Message-ID: <20161103124349.GA819@distanz.ch>
Date:   Thu, 3 Nov 2016 13:43:50 +0100
From:   Tobias Klauser <tklauser@...tanz.ch>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     clm@...com, jbacik@...com, dsterba@...e.com,
        linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] btrfs: Remove some dead code

On 2016-11-01 at 11:26:06 +0100, Christophe JAILLET <christophe.jaillet@...adoo.fr> wrote:
> 'btrfs_iget()' can not return an error pointer, so this test can be
> removed.

This descrption does not match what the patch actually does. Shouldn't
it say "...can not return NULL, so this test can be removed."?


> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
>  fs/btrfs/free-space-cache.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
> index e4b48f377d3a..afd8b0c10acd 100644
> --- a/fs/btrfs/free-space-cache.c
> +++ b/fs/btrfs/free-space-cache.c
> @@ -75,8 +75,6 @@ static struct inode *__lookup_free_space_inode(struct btrfs_root *root,
>  	btrfs_release_path(path);
>  
>  	inode = btrfs_iget(root->fs_info->sb, &location, root, NULL);
> -	if (!inode)
> -		return ERR_PTR(-ENOENT);
>  	if (IS_ERR(inode))
>  		return inode;
>  	if (is_bad_inode(inode)) {
> -- 
> 2.9.3
> 
> --
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