diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index ec952dfad359..d0053115427f 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -736,6 +736,7 @@ xfs_qm_destroy_quotainfo(
 		IRELE(qi->qi_pquotaip);
 		qi->qi_pquotaip = NULL;
 	}
+	mutex_destroy(&qi->qi_tree_lock);
 	mutex_destroy(&qi->qi_quotaofflock);
 	kmem_free(qi);
 	mp->m_quotainfo = NULL;