static int populate_node()

in fdt.c [206:250]

• 38 lines of code
• 6 McCabe index (conditional complexity)

static int populate_node(const void *blob,
			  int offset,
			  void **mem,
			  struct device_node *dad,
			  struct device_node **pnp,
			  bool dryrun)
{
	struct device_node *np;
	const char *pathp;
	int len;

	pathp = fdt_get_name(blob, offset, &len);
	if (!pathp) {
		*pnp = NULL;
		return len;
	}

	len++;

	np = unflatten_dt_alloc(mem, sizeof(struct device_node) + len,
				__alignof__(struct device_node));
	if (!dryrun) {
		char *fn;
		of_node_init(np);
		np->full_name = fn = ((char *)np) + sizeof(*np);

		memcpy(fn, pathp, len);

		if (dad != NULL) {
			np->parent = dad;
			np->sibling = dad->child;
			dad->child = np;
		}
	}

	populate_properties(blob, offset, mem, np, pathp, dryrun);
	if (!dryrun) {
		np->name = of_get_property(np, "name", NULL);
		if (!np->name)
			np->name = "<NULL>";
	}

	*pnp = np;
	return true;
}