diff --git a/sys/net/if.c b/sys/net/if.c --- a/sys/net/if.c +++ b/sys/net/if.c @@ -1953,6 +1953,7 @@ struct ifaddr *ifa_maybe = NULL; u_int af = addr->sa_family; const char *addr_data = addr->sa_data, *cplim; + const struct sockaddr_dl *sdl; NET_EPOCH_ASSERT(); /* @@ -1960,9 +1961,14 @@ * so do that if we can. */ if (af == AF_LINK) { - const struct sockaddr_dl *sdl = (const struct sockaddr_dl *)addr; - if (sdl->sdl_index && sdl->sdl_index <= V_if_index) - return (ifaddr_byindex(sdl->sdl_index)); + sdl = (const struct sockaddr_dl *)addr; + if (sdl->sdl_index && sdl->sdl_index <= V_if_index) { + ifp = ifnet_byindex(sdl->sdl_index); + if (ifp == NULL) + return (NULL); + + return (ifp->if_addr); + } } /*