108 	watch->node = path;  in xenbus_watch_path()
114 		watch->node = NULL;  in xenbus_watch_path()
476 	struct xenbus_map_node *node;  in xenbus_map_ring_valloc_pv()  local
482 	node = kzalloc(sizeof(*node), GFP_KERNEL);  in xenbus_map_ring_valloc_pv()
483 	if (!node)  in xenbus_map_ring_valloc_pv()
488 		kfree(node);  in xenbus_map_ring_valloc_pv()
498 		kfree(node);  in xenbus_map_ring_valloc_pv()
505 	node->handle = op.handle;  in xenbus_map_ring_valloc_pv()
506 	node->area = area;  in xenbus_map_ring_valloc_pv()
509 	list_add(&node->next, &xenbus_valloc_pages);  in xenbus_map_ring_valloc_pv()
519 	struct xenbus_map_node *node;  in xenbus_map_ring_valloc_hvm()  local
525 	node = kzalloc(sizeof(*node), GFP_KERNEL);  in xenbus_map_ring_valloc_hvm()
526 	if (!node)  in xenbus_map_ring_valloc_hvm()
529 	err = alloc_xenballooned_pages(1, &node->page, false /* lowmem */);  in xenbus_map_ring_valloc_hvm()
533 	addr = pfn_to_kaddr(page_to_pfn(node->page));  in xenbus_map_ring_valloc_hvm()
535 	err = xenbus_map_ring(dev, gnt_ref, &node->handle, addr);  in xenbus_map_ring_valloc_hvm()
540 	list_add(&node->next, &xenbus_valloc_pages);  in xenbus_map_ring_valloc_hvm()
547 	free_xenballooned_pages(1, &node->page);  in xenbus_map_ring_valloc_hvm()
549 	kfree(node);  in xenbus_map_ring_valloc_hvm()
610 	struct xenbus_map_node *node;  in xenbus_unmap_ring_vfree_pv()  local
617 	list_for_each_entry(node, &xenbus_valloc_pages, next) {  in xenbus_unmap_ring_vfree_pv()
618 		if (node->area->addr == vaddr) {  in xenbus_unmap_ring_vfree_pv()
619 			list_del(&node->next);  in xenbus_unmap_ring_vfree_pv()
623 	node = NULL;  in xenbus_unmap_ring_vfree_pv()
627 	if (!node) {  in xenbus_unmap_ring_vfree_pv()
633 	op.handle = node->handle;  in xenbus_unmap_ring_vfree_pv()
641 		free_vm_area(node->area);  in xenbus_unmap_ring_vfree_pv()
645 				 node->handle, op.status);  in xenbus_unmap_ring_vfree_pv()
647 	kfree(node);  in xenbus_unmap_ring_vfree_pv()
654 	struct xenbus_map_node *node;  in xenbus_unmap_ring_vfree_hvm()  local
658 	list_for_each_entry(node, &xenbus_valloc_pages, next) {  in xenbus_unmap_ring_vfree_hvm()
659 		addr = pfn_to_kaddr(page_to_pfn(node->page));  in xenbus_unmap_ring_vfree_hvm()
661 			list_del(&node->next);  in xenbus_unmap_ring_vfree_hvm()
665 	node = addr = NULL;  in xenbus_unmap_ring_vfree_hvm()
669 	if (!node) {  in xenbus_unmap_ring_vfree_hvm()
675 	rv = xenbus_unmap_ring(dev, node->handle, addr);  in xenbus_unmap_ring_vfree_hvm()
678 		free_xenballooned_pages(1, &node->page);  in xenbus_unmap_ring_vfree_hvm()
682 	kfree(node);  in xenbus_unmap_ring_vfree_hvm()