Unverified Commit 5e48db30 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!9489 fs/ntfs3: Check 'folio' pointer for NULL 

Merge Pull Request from: @ci-robot 
 
PR sync from: Wang Zhaolong <wangzhaolong1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/TN34EV353OPLKMMNFUTUMIJJOAUEBS5K/ 
 
https://gitee.com/src-openeuler/kernel/issues/IA7D7V 
 
Link:https://gitee.com/openeuler/kernel/pulls/9489

 

Reviewed-by: default avatarZhang Peng <zhangpeng362@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents a4269abc e228c448

fs/ntfs3/inode.c

+11 −6
Original line number Diff line number Diff line
@@ -570,13 +570,18 @@ static noinline int ntfs_get_block_vbo(struct inode *inode, u64 vbo, 
	clear_buffer_uptodate(bh);



	if (is_resident(ni)) {

		bh->b_blocknr = RESIDENT_LCN;

		bh->b_size = block_size;

		if (!folio) {

			err = 0;

		} else {

			ni_lock(ni);

			err = attr_data_read_resident(ni, &folio->page);

			ni_unlock(ni);



			if (!err)

				set_buffer_uptodate(bh);

		bh->b_size = block_size;

		}

		return err;

	}