Unverified Commit c10a0009 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!9563 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/Z7ACGE7B5OHCAJTMADYUCV7SCGDKQOOF/ 
 
https://gitee.com/src-openeuler/kernel/issues/IA7D7V 
 
Link:https://gitee.com/openeuler/kernel/pulls/9563

 

Reviewed-by: default avatarzhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 3da0242c 6422cef5

fs/ntfs3/inode.c

+11 −6
Original line number Diff line number Diff line
@@ -565,13 +565,18 @@ static noinline int ntfs_get_block_vbo(struct inode *inode, u64 vbo, 
	}



	if (is_resident(ni)) {

		bh->b_blocknr = RESIDENT_LCN;

		bh->b_size = block_size;

		if (!page) {

			err = 0;

		} else {

			ni_lock(ni);

			err = attr_data_read_resident(ni, page);

			ni_unlock(ni);



			if (!err)

				set_buffer_uptodate(bh);

		bh->b_size = block_size;

		}

		return err;

	}