Unverified Commit 1918c10e authored by Konstantin Komarov's avatar Konstantin Komarov
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fs/ntfs3: Correct hard links updating when dealing with DOS names 



Signed-off-by: default avatarKonstantin Komarov <almaz.alexandrovich@paragon-software.com>
parent 6a799c92

fs/ntfs3/record.c

+14 −2
Original line number Diff line number Diff line
@@ -535,9 +535,21 @@ bool mi_remove_attr(struct ntfs_inode *ni, struct mft_inode *mi, 
		return false;



	if (ni && is_attr_indexed(attr)) {

		le16_add_cpu(&ni->mi.mrec->hard_links, -1);

		u16 links = le16_to_cpu(ni->mi.mrec->hard_links);

		struct ATTR_FILE_NAME *fname =

			attr->type != ATTR_NAME ?

				NULL :

				resident_data_ex(attr,

						 SIZEOF_ATTRIBUTE_FILENAME);

		if (fname && fname->type == FILE_NAME_DOS) {

			/* Do not decrease links count deleting DOS name. */

		} else if (!links) {

			/* minor error. Not critical. */

		} else {

			ni->mi.mrec->hard_links = cpu_to_le16(links - 1);

			ni->mi.dirty = true;

		}

	}



	used -= asize;

	memmove(attr, Add2Ptr(attr, asize), used - aoff);