Commit fcd2a434 authored by Darrick J. Wong's avatar Darrick J. Wong
Browse files

xfs: initialize the check_owner object fully 



Initialize the check_owner list head so that we don't corrupt the list.
Reduce the scope of the object pointer.

Fixes: 858333dc ("xfs: check btree block ownership with bnobt/rmapbt when scrubbing btree")
Signed-off-by: default avatarDarrick J. Wong <djwong@kernel.org>
Reviewed-by: default avatarDave Chinner <dchinner@redhat.com>
parent 48ff4045

fs/xfs/scrub/btree.c

+4 −1
Original line number Diff line number Diff line
@@ -408,7 +408,6 @@ xchk_btree_check_owner( 
	struct xfs_buf		*bp)

{

	struct xfs_btree_cur	*cur = bs->cur;

	struct check_owner	*co;



	/*

	 * In theory, xfs_btree_get_block should only give us a null buffer
@@ -431,10 +430,14 @@ xchk_btree_check_owner( 
	 * later scanning.

	 */

	if (cur->bc_btnum == XFS_BTNUM_BNO || cur->bc_btnum == XFS_BTNUM_RMAP) {

		struct check_owner	*co;



		co = kmem_alloc(sizeof(struct check_owner),

				KM_MAYFAIL);

		if (!co)

			return -ENOMEM;



		INIT_LIST_HEAD(&co->list);

		co->level = level;

		co->daddr = xfs_buf_daddr(bp);

		list_add_tail(&co->list, &bs->to_check);