Unverified Commit 1cd6c962 authored by Konstantin Komarov's avatar Konstantin Komarov
Browse files

fs/ntfs3: Check 'folio' pointer for NULL 



It can be NULL if bmap is called.

Fixes: 82cae269 ("fs/ntfs3: Add initialization of super block")
Signed-off-by: default avatarKonstantin Komarov <almaz.alexandrovich@paragon-software.com>
parent b0a5ddee

fs/ntfs3/inode.c

+11 −6
Original line number Diff line number Diff line
@@ -571,13 +571,18 @@ 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;

	}