Re: [PATCH] fat: Delete an unnecessary check before brelse()

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Markus Elfring <Markus.Elfring@xxxxxx> writes:

> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Tue, 3 Sep 2019 14:56:16 +0200
>
> The brelse() function tests whether its argument is NULL
> and then returns immediately.
> Thus the test around the call is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>

Acked-by: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>

Thanks.

> ---
>  fs/fat/dir.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/fs/fat/dir.c b/fs/fat/dir.c
> index 1bda2ab6745b..f4bc87a3c98d 100644
> --- a/fs/fat/dir.c
> +++ b/fs/fat/dir.c
> @@ -88,9 +88,7 @@ static int fat__get_entry(struct inode *dir, loff_t *pos,
>  	int err, offset;
>
>  next:
> -	if (*bh)
> -		brelse(*bh);
> -
> +	brelse(*bh);
>  	*bh = NULL;
>  	iblock = *pos >> sb->s_blocksize_bits;
>  	err = fat_bmap(dir, iblock, &phys, &mapped_blocks, 0, false);
> --
> 2.23.0
>

-- 
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>



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