linux-kernel - Re: [f2fs-dev] [PATCH 1/2] f2fs: le16_to_cpu for xattr->e_value

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Date:   Sat, 11 Mar 2017 08:04:47 +0800
From:   Kinglong Mee <kinglongmee@...il.com>
To:     Jaegeuk Kim <jaegeuk@...nel.org>, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        Kinglong Mee <kinglongmee@...il.com>
Subject: Re: [f2fs-dev] [PATCH 1/2] f2fs: le16_to_cpu for xattr->e_value_size

On 3/11/2017 01:53, Jaegeuk Kim wrote:
> This patch fixes missing le16 conversion, reported by kbuild test robot.
> 
> Fixes: 5f35a2cd5 ("f2fs: Don't update the xattr data that same as the exist")
> Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>

Reviewed-by: Kinglong Mee <kinglongmee@...il.com>

> ---
>  fs/f2fs/xattr.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
> index 7298a4488f7f..aff7619e3f96 100644
> --- a/fs/f2fs/xattr.c
> +++ b/fs/f2fs/xattr.c
> @@ -546,7 +546,9 @@ static bool f2fs_xattr_value_same(struct f2fs_xattr_entry *entry,
>  					const void *value, size_t size)
>  {
>  	void *pval = entry->e_name + entry->e_name_len;
> -	return (entry->e_value_size == size) && !memcmp(pval, value, size);
> +
> +	return (le16_to_cpu(entry->e_value_size) == size) &&
> +					!memcmp(pval, value, size);
>  }
>  
>  static int __f2fs_setxattr(struct inode *inode, int index,
>