239 int fdt_next_node(const void *fdt, int offset, int *depth)  in fdt_next_node()  argument
258 			if (depth)  in fdt_next_node()
259 				(*depth)++;  in fdt_next_node()
263 			if (depth && ((--(*depth)) < 0))  in fdt_next_node()
269 			    || ((nextoffset == -FDT_ERR_TRUNCATED) && !depth))  in fdt_next_node()
281 	int depth = 0;  in fdt_first_subnode()  local
283 	offset = fdt_next_node(fdt, offset, &depth);  in fdt_first_subnode()
284 	if (offset < 0 || depth != 1)  in fdt_first_subnode()
292 	int depth = 1;  in fdt_next_subnode()  local
295 	 * With respect to the parent, the depth of the next subnode will be  in fdt_next_subnode()
299 		offset = fdt_next_node(fdt, offset, &depth);  in fdt_next_subnode()
300 		if (offset < 0 || depth < 1)  in fdt_next_subnode()
302 	} while (depth > 1);  in fdt_next_subnode()