Unverified Commit 6e347770 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!3078 [sync] PR-3022: fs/dirty_pages: fix some errors in seq_read_dirty() 

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/3022 
 
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/3078

 

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 c17d2333 40a88773

fs/dirty_pages.c

+3 −3
Original line number Diff line number Diff line
@@ -218,12 +218,12 @@ 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)