Unverified Commit db1d2b4c authored by Konstantin Komarov's avatar Konstantin Komarov
Browse files

fs/ntfs3: Add check in ntfs_extend_initialized_size 



Check arguments again after lock.

Signed-off-by: default avatarKonstantin Komarov <almaz.alexandrovich@paragon-software.com>
parent a8f659ce

fs/ntfs3/file.c

+3 −1
Original line number Diff line number Diff line
@@ -182,13 +182,15 @@ static int ntfs_extend_initialized_size(struct file *file, 
	loff_t pos = valid;

	int err;



	if (valid >= new_valid)

		return 0;



	if (is_resident(ni)) {

		ni->i_valid = new_valid;

		return 0;

	}



	WARN_ON(is_compressed(ni));

	WARN_ON(valid >= new_valid);



	for (;;) {

		u32 zerofrom, len;