X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fodhcpd.git;a=blobdiff_plain;f=src%2Frouter.c;h=36267bea6d36269ac96866e83cb6484d776096d6;hp=e11fa012a9cc753f634d2b72f876b13153d97d2b;hb=68ee0b59040625d2ab5830b1c1cc8eca2da0dcf1;hpb=fa57225cb62b43adffc37a50c3dbd3fa7d225b0b;ds=sidebyside

diff --git a/src/router.c b/src/router.c
index e11fa01..36267be 100644
--- a/src/router.c
+++ b/src/router.c
@@ -309,7 +309,7 @@ static uint64_t send_router_advert(struct interface *iface, const struct in6_add
 		uint32_t this_lifetime = TIME_LEFT(addr->valid, now);
 		if (this_lifetime > UINT16_MAX)
 			this_lifetime = UINT16_MAX;
-		if (((addr->addr.s6_addr[0] & 0xfe) != 0xfc || iface->default_router)
+		if ((!IN6_IS_ADDR_ULA(&addr->addr) || iface->default_router)
 				&& adv.h.nd_ra_router_lifetime
 				&& ntohs(adv.h.nd_ra_router_lifetime) < this_lifetime) {
 			adv.h.nd_ra_router_lifetime = htons(this_lifetime);