#define fill_mreq_ifa fill_mreq
#define fill_mreq_grp fill_mreq
-static inline fill_mreq(struct ip_mreqn *m, struct iface *ifa, ip_addr maddr)
+static inline void fill_mreq(struct ip_mreqn *m, struct iface *ifa, ip_addr maddr)
{
bzero(m, sizeof(*m));
m->imr_ifindex = ifa->index;