linux-kernel - Re: [PATCH -next] fatfs: remove redundant judgment

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Date:   Sat, 26 Mar 2022 13:47:31 +0900
From:   OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     <linux-kernel@...r.kernel.org>, fengyubo <fengyubo3@...wei.com>
Subject: Re: [PATCH -next] fatfs: remove redundant judgment

fengyubo <fengyubo3@...wei.com> writes:

> From: Yubo Feng <fengyubo3@...wei.com>
>
> iput() has already judged the incoming parameter, so there is no need to
> repeat outside.
>
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Yubo Feng <fengyubo3@...wei.com>

Acked-by: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>

Thanks.

> ---
>  fs/fat/inode.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/fs/fat/inode.c b/fs/fat/inode.c
> index a6f1c6d426d1..da8619148590 100644
> --- a/fs/fat/inode.c
> +++ b/fs/fat/inode.c
> @@ -1888,10 +1888,8 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat,
>  		fat_msg(sb, KERN_INFO, "Can't find a valid FAT filesystem");
>  
>  out_fail:
> -	if (fsinfo_inode)
> -		iput(fsinfo_inode);
> -	if (fat_inode)
> -		iput(fat_inode);
> +	iput(fsinfo_inode);
> +	iput(fat_inode);
>  	unload_nls(sbi->nls_io);
>  	unload_nls(sbi->nls_disk);
>  	fat_reset_iocharset(&sbi->options);

-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>