linux-kernel - Re: [PATCH 4/4] btrfs: Delete an unnecessary variable initialisation in tree_mod_log_eb

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Message-ID: <CAGqmi75EiV4nX+QCv0GR9wRbjNS5d7UernMSBdHEVsA+ubGBaQ@mail.gmail.com>
Date:   Mon, 21 Aug 2017 13:50:27 +0300
From:   Timofey Titovets <nefelim4ag@...il.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:     linux-btrfs <linux-btrfs@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 4/4] btrfs: Delete an unnecessary variable initialisation
 in tree_mod_log_eb_copy()

Don't needed, and you did miss several similar places (L573 & L895) in
that file with explicit initialisation.

Reviewed-by: Timofey Titovets <nefelim4ag@...il.com>

2017-08-20 23:20 GMT+03:00 SF Markus Elfring <elfring@...rs.sourceforge.net>:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Sun, 20 Aug 2017 22:02:54 +0200
>
> The variable "tm_list" will eventually be set to an appropriate pointer
> a bit later. Thus omit the explicit initialisation at the beginning.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  fs/btrfs/ctree.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
> index 3b49f39eaaf6..78387f5be0ce 100644
> --- a/fs/btrfs/ctree.c
> +++ b/fs/btrfs/ctree.c
> @@ -801,7 +801,7 @@ tree_mod_log_eb_copy(struct btrfs_fs_info *fs_info, struct extent_buffer *dst,
>                      unsigned long src_offset, int nr_items)
>  {
>         int ret = 0;
> -       struct tree_mod_elem **tm_list = NULL;
> +       struct tree_mod_elem **tm_list;
>         struct tree_mod_elem **tm_list_add, **tm_list_rem;
>         int i;
>         int locked = 0;
> --
> 2.14.0
>
> --
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-- 
Have a nice day,
Timofey.