Unverified Commit 5d93db93 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!3022 fs/dirty_pages: fix some errors in seq_read_dirty() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zizhi Wo <wozizhi@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/5GBJUVYDS6NTIEFF6IEWIAAZNOL4QJO7/ 
 
https://gitee.com/openeuler/kernel/issues/I8JUUC?from=project-issue 
 
Link:https://gitee.com/openeuler/kernel/pulls/3022

 

Reviewed-by: default avatarYu Kuai <yukuai3@huawei.com>
Reviewed-by: default avatarzhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 096b524a 5a1ee702

fs/dirty_pages.c

+3 −3
Original line number Diff line number Diff line
@@ -217,12 +217,12 @@ static ssize_t seq_read_dirty( 
	}



	n = min(m->count - m->from, size);

	err = simple_read_from_buffer(buf, n,

		(loff_t *) &m->from, m->buf, m->count);

	if (err < 0) {

	n -= copy_to_user(buf, m->buf + m->from, n);

	if (unlikely(!n)) {

		err = -EFAULT;

		goto done;

	}

	m->from += n;

	copied += n;

done:

	if (!copied)