Re: [PATCH v8 07/12] fs/kernfs/symlink.c: replace S_IRWXUGO with 0777 on kernfs_create_link()

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On Mon, Sep 27, 2021 at 09:38:00AM -0700, Luis Chamberlain wrote:
> If one ends up extending this line checkpatch will complain about the
> use of S_IRWXUGO suggesting it is not preferred and that 0777
> should be used instead. Take the tip from checkpatch and do that
> change before we do our subsequent changes.
> 
> This makes no functional changes.
> 
> Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

> ---
>  fs/kernfs/symlink.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/fs/kernfs/symlink.c b/fs/kernfs/symlink.c
> index c8f8e41b8411..19a6c71c6ff5 100644
> --- a/fs/kernfs/symlink.c
> +++ b/fs/kernfs/symlink.c
> @@ -36,8 +36,7 @@ struct kernfs_node *kernfs_create_link(struct kernfs_node *parent,
>  		gid = target->iattr->ia_gid;
>  	}
>  
> -	kn = kernfs_new_node(parent, name, S_IFLNK|S_IRWXUGO, uid, gid,
> -			     KERNFS_LINK);
> +	kn = kernfs_new_node(parent, name, S_IFLNK|0777, uid, gid, KERNFS_LINK);
>  	if (!kn)
>  		return ERR_PTR(-ENOMEM);
>  
> -- 
> 2.30.2
> 

-- 
Kees Cook



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