Index: sys/kern/uipc_usrreq.c =================================================================== --- sys/kern/uipc_usrreq.c +++ sys/kern/uipc_usrreq.c @@ -499,18 +499,14 @@ KASSERT(unp != NULL, ("uipc_accept: unp == NULL")); *nam = malloc(sizeof(struct sockaddr_un), M_SONAME, M_WAITOK); - UNP_LINK_RLOCK(); - unp2 = unp->unp_conn; - if (unp2 != NULL && unp2->unp_addr != NULL) { - UNP_PCB_LOCK(unp2); - sa = (struct sockaddr *) unp2->unp_addr; - bcopy(sa, *nam, sa->sa_len); - UNP_PCB_UNLOCK(unp2); - } else { + UNP_PCB_LOCK(unp); + unp2 = unp_pcb_lock_peer(unp); + if (unp2 != NULL && unp2->unp_addr != NULL) + sa = (struct sockaddr *)unp2->unp_addr; + else sa = &sun_noname; - bcopy(sa, *nam, sa->sa_len); - } - UNP_LINK_RUNLOCK(); + bcopy(sa, *nam, sa->sa_len); + unp_pcb_unlock_pair(unp, unp2); return (0); }