From: Jan Kara <jack@suse.cz>
To: Liu Xiang <liu.xiang6@zte.com.cn>
Cc: jack@suse.com, linux-ext4@vger.kernel.org,
linux-kernel@vger.kernel.org, liuxiang_1999@126.com
Subject: Re: [PATCH] ext2: Remove useless reset code
Date: Mon, 28 Jan 2019 15:48:47 +0100 [thread overview]
Message-ID: <20190128144847.GG27972@quack2.suse.cz> (raw)
In-Reply-To: <1548424864-4647-1-git-send-email-liu.xiang6@zte.com.cn>
On Fri 25-01-19 22:01:04, Liu Xiang wrote:
> If ((char *)de == dir_end) is true, the name_len will not be used
> in the subsequent routine. So the reset code can be removed.
>
> Signed-off-by: Liu Xiang <liu.xiang6@zte.com.cn>
Thanks for the patch. I agree with your analysis but I prefer to keep the
code as is - it prevents warnings about uninitialized variable being used
for compilers than cannot infer that and also for humans reading the code
is easier this way.
Honza
> ---
> fs/ext2/dir.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
> index 3b8114d..5ec497f 100644
> --- a/fs/ext2/dir.c
> +++ b/fs/ext2/dir.c
> @@ -517,7 +517,6 @@ int ext2_add_link (struct dentry *dentry, struct inode *inode)
> while ((char *)de <= kaddr) {
> if ((char *)de == dir_end) {
> /* We hit i_size */
> - name_len = 0;
> rec_len = chunk_size;
> de->rec_len = ext2_rec_len_to_disk(chunk_size);
> de->inode = 0;
> --
> 1.9.1
>
>
--
Jan Kara <jack@suse.com>
SUSE Labs, CR
prev parent reply other threads:[~2019-01-28 14:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-25 14:01 Liu Xiang
2019-01-28 14:48 ` Jan Kara [this message]
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