linux-kernel - Re: [PATCH] mm:remove unneeded variable

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Message-ID: <CAM9Jb+hfa7fejFqmg3A07kjrZTf++QKCYx=0oArBNBqNsMrv1A@mail.gmail.com>
Date:   Wed, 8 Dec 2021 13:35:35 +0100
From:   Pankaj Gupta <pankaj.gupta.linux@...il.com>
To:     cgel.zte@...il.com
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linux MM <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>,
        chiminghao <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cm>
Subject: Re: [PATCH] mm:remove unneeded variable

> return value form directly instead of
> taking this in another redundant variable.
>
> Reported-by: Zeal Robot <zealci@....com.cm>
> Signed-off-by: chiminghao <chi.minghao@....com.cn>
> ---
>  mm/truncate.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/mm/truncate.c b/mm/truncate.c
> index cc83a3f7c1ad..41b8249b3b4a 100644
> --- a/mm/truncate.c
> +++ b/mm/truncate.c
> @@ -205,7 +205,6 @@ static void truncate_cleanup_page(struct page *page)
>  static int
>  invalidate_complete_page(struct address_space *mapping, struct page *page)
>  {
> -       int ret;
>
>         if (page->mapping != mapping)
>                 return 0;
> @@ -213,9 +212,7 @@ invalidate_complete_page(struct address_space *mapping, struct page *page)
>         if (page_has_private(page) && !try_to_release_page(page, 0))
>                 return 0;
>
> -       ret = remove_mapping(mapping, page);
> -
> -       return ret;
> +       return remove_mapping(mapping, page);
>  }
>
>  int truncate_inode_page(struct address_space *mapping, struct page *page)

 Reviewed-by: Pankaj Gupta <pankaj.gupta@...os.com>