static void __init isapnp_parse_resource_map()

in isapnp/core.c [699:747]

• 46 lines of code
• 16 McCabe index (conditional complexity)

static void __init isapnp_parse_resource_map(struct pnp_card *card)
{
	unsigned char type, tmp[17];
	unsigned short size;

	while (1) {
		if (isapnp_read_tag(&type, &size) < 0)
			return;
		switch (type) {
		case _STAG_PNPVERNO:
			if (size != 2)
				goto __skip;
			isapnp_peek(tmp, 2);
			card->pnpver = tmp[0];
			card->productver = tmp[1];
			size = 0;
			break;
		case _STAG_LOGDEVID:
			if (size >= 5 && size <= 6) {
				if (isapnp_create_device(card, size) == 1)
					return;
				size = 0;
			}
			break;
		case _STAG_VENDOR:
			break;
		case _LTAG_ANSISTR:
			isapnp_parse_name(card->name, sizeof(card->name),
					  &size);
			break;
		case _LTAG_UNICODESTR:
			/* silently ignore */
			/* who use unicode for hardware identification? */
			break;
		case _LTAG_VENDOR:
			break;
		case _STAG_END:
			if (size > 0)
				isapnp_skip_bytes(size);
			return;
		default:
			dev_err(&card->dev, "unknown tag %#x, ignored\n",
			       type);
		}
__skip:
		if (size > 0)
			isapnp_skip_bytes(size);
	}
}