Module Name: src Committed By: maxv Date: Sat Apr 14 14:59:59 UTC 2018
Modified Files: src/sys/netinet6: icmp6.c Log Message: Cosmetic, and remove one XXX (no problem). To generate a diff of this commit: cvs rdiff -u -r1.228 -r1.229 src/sys/netinet6/icmp6.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/netinet6/icmp6.c diff -u src/sys/netinet6/icmp6.c:1.228 src/sys/netinet6/icmp6.c:1.229 --- src/sys/netinet6/icmp6.c:1.228 Sat Apr 14 08:03:33 2018 +++ src/sys/netinet6/icmp6.c Sat Apr 14 14:59:58 2018 @@ -1,4 +1,4 @@ -/* $NetBSD: icmp6.c,v 1.228 2018/04/14 08:03:33 maxv Exp $ */ +/* $NetBSD: icmp6.c,v 1.229 2018/04/14 14:59:58 maxv Exp $ */ /* $KAME: icmp6.c,v 1.217 2001/06/20 15:03:29 jinmei Exp $ */ /* @@ -62,7 +62,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: icmp6.c,v 1.228 2018/04/14 08:03:33 maxv Exp $"); +__KERNEL_RCSID(0, "$NetBSD: icmp6.c,v 1.229 2018/04/14 14:59:58 maxv Exp $"); #ifdef _KERNEL_OPT #include "opt_inet.h" @@ -974,7 +974,7 @@ icmp6_notify_error(struct mbuf *m, int o case IPPROTO_DSTOPTS: case IPPROTO_AH: IP6_EXTHDR_GET(eh, struct ip6_ext *, m, - eoff, sizeof(*eh)); + eoff, sizeof(*eh)); if (eh == NULL) { ICMP6_STATINC(ICMP6_STAT_TOOSHORT); return (-1); @@ -989,7 +989,7 @@ icmp6_notify_error(struct mbuf *m, int o case IPPROTO_ROUTING: /* Ignore the option. */ IP6_EXTHDR_GET(rth, struct ip6_rthdr *, m, - eoff, sizeof(*rth)); + eoff, sizeof(*rth)); if (rth == NULL) { ICMP6_STATINC(ICMP6_STAT_TOOSHORT); return (-1); @@ -1000,7 +1000,7 @@ icmp6_notify_error(struct mbuf *m, int o break; case IPPROTO_FRAGMENT: IP6_EXTHDR_GET(fh, struct ip6_frag *, m, - eoff, sizeof(*fh)); + eoff, sizeof(*fh)); if (fh == NULL) { ICMP6_STATINC(ICMP6_STAT_TOOSHORT); return (-1); @@ -1031,7 +1031,7 @@ icmp6_notify_error(struct mbuf *m, int o } notify: IP6_EXTHDR_GET(icmp6, struct icmp6_hdr *, m, off, - sizeof(*icmp6) + sizeof(struct ip6_hdr)); + sizeof(*icmp6) + sizeof(struct ip6_hdr)); if (icmp6 == NULL) { ICMP6_STATINC(ICMP6_STAT_TOOSHORT); return (-1); @@ -1082,7 +1082,7 @@ icmp6_notify_error(struct mbuf *m, int o } ctlfunc = (void (*)(int, struct sockaddr *, void *)) - (inet6sw[ip6_protox[nxt]].pr_ctlinput); + (inet6sw[ip6_protox[nxt]].pr_ctlinput); if (ctlfunc) { (void)(*ctlfunc)(code, sin6tosa(&icmp6dst), &ip6cp); } @@ -1236,11 +1236,11 @@ ni6_input(struct mbuf *m, int off) /* XXX scopeid */ ss = pserialize_read_enter(); ifa = ifa_ifwithaddr(sin6tosa(&sin6)); - if (ifa != NULL) + if (ifa != NULL) { ; /* unicast/anycast, fine */ - else if (IN6_IS_ADDR_MC_LINKLOCAL(&sin6.sin6_addr)) + } else if (IN6_IS_ADDR_MC_LINKLOCAL(&sin6.sin6_addr)) { ; /* link-local multicast, fine */ - else { + } else { pserialize_read_exit(ss); goto bad; } @@ -1341,7 +1341,7 @@ ni6_input(struct mbuf *m, int off) if (subj == NULL) goto bad; if (!ni6_dnsmatch(subj, subjlen, mtod(n, const char *), - n->m_len)) { + n->m_len)) { goto bad; } m_freem(n); @@ -1451,8 +1451,7 @@ ni6_input(struct mbuf *m, int off) case NI_QTYPE_FQDN: nni6->ni_code = ICMP6_NI_SUCCESS; fqdn = (struct ni_reply_fqdn *)(mtod(n, char *) + - sizeof(struct ip6_hdr) + - sizeof(struct icmp6_nodeinfo)); + sizeof(struct ip6_hdr) + sizeof(struct icmp6_nodeinfo)); nni6->ni_flags = 0; /* XXX: meaningless TTL */ fqdn->ni_fqdn_ttl = 0; /* ditto. */ /* @@ -1471,15 +1470,15 @@ ni6_input(struct mbuf *m, int off) int lenlim, copied; nni6->ni_code = ICMP6_NI_SUCCESS; - n->m_pkthdr.len = n->m_len = - sizeof(struct ip6_hdr) + sizeof(struct icmp6_nodeinfo); + n->m_pkthdr.len = n->m_len = sizeof(struct ip6_hdr) + + sizeof(struct icmp6_nodeinfo); lenlim = M_TRAILINGSPACE(n); copied = ni6_store_addrs(ni6, nni6, ifp, lenlim); if_put(ifp, &psref); ifp = NULL; - /* XXX: reset mbuf length */ + /* update mbuf length */ n->m_pkthdr.len = n->m_len = sizeof(struct ip6_hdr) + - sizeof(struct icmp6_nodeinfo) + copied; + sizeof(struct icmp6_nodeinfo) + copied; break; } default: @@ -1695,7 +1694,7 @@ ni6_addrs(struct icmp6_nodeinfo *ni6, st switch (ni6->ni_code) { case ICMP6_NI_SUBJ_IPV6: if (subj == NULL) /* must be impossible... */ - return (0); + return 0; subj_ip6 = (struct sockaddr_in6 *)subj; break; default: @@ -1703,7 +1702,7 @@ ni6_addrs(struct icmp6_nodeinfo *ni6, st * XXX: we only support IPv6 subject address for * this Qtype. */ - return (0); + return 0; } } @@ -1717,7 +1716,7 @@ ni6_addrs(struct icmp6_nodeinfo *ni6, st if ((niflags & NI_NODEADDR_FLAG_ALL) == 0 && IN6_ARE_ADDR_EQUAL(&subj_ip6->sin6_addr, - &ia6->ia_addr.sin6_addr)) + &ia6->ia_addr.sin6_addr)) iffound = 1; /* @@ -1762,14 +1761,14 @@ ni6_addrs(struct icmp6_nodeinfo *ni6, st if_acquire(ifp, psref); pserialize_read_exit(s); *ifpp = ifp; - return (addrsofif); + return addrsofif; } addrs += addrsofif; } pserialize_read_exit(s); - return (addrs); + return addrs; } static int @@ -1788,7 +1787,7 @@ ni6_store_addrs(struct icmp6_nodeinfo *n int s; if (ifp0 == NULL && !(niflags & NI_NODEADDR_FLAG_ALL)) - return (0); /* needless to copy */ + return 0; /* needless to copy */ s = pserialize_read_enter(); ifp = ifp0 ? ifp0 : IFNET_READER_FIRST(); @@ -1910,7 +1909,7 @@ again: } out: pserialize_read_exit(s); - return (copied); + return copied; } /* @@ -1941,7 +1940,7 @@ icmp6_rip6_input(struct mbuf **mp, int o sockaddr_in6_init(&rip6src, &ip6->ip6_src, 0, 0, 0); if (sa6_recoverscope(&rip6src)) { m_freem(m); - return (IPPROTO_DONE); + return IPPROTO_DONE; } TAILQ_FOREACH(inph, &raw6cbtable.inpt_queue, inph_queue) { @@ -1951,10 +1950,10 @@ icmp6_rip6_input(struct mbuf **mp, int o if (in6p->in6p_ip6.ip6_nxt != IPPROTO_ICMPV6) continue; if (!IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_laddr) && - !IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, &ip6->ip6_dst)) + !IN6_ARE_ADDR_EQUAL(&in6p->in6p_laddr, &ip6->ip6_dst)) continue; if (!IN6_IS_ADDR_UNSPECIFIED(&in6p->in6p_faddr) && - !IN6_ARE_ADDR_EQUAL(&in6p->in6p_faddr, &ip6->ip6_src)) + !IN6_ARE_ADDR_EQUAL(&in6p->in6p_faddr, &ip6->ip6_src)) continue; if (in6p->in6p_icmp6filt && ICMP6_FILTER_WILLBLOCK(icmp6->icmp6_type, @@ -2007,8 +2006,9 @@ icmp6_rip6_input(struct mbuf **mp, int o m_freem(m); if (opts) m_freem(opts); - } else + } else { sorwakeup(last->in6p_socket); + } } else { m_freem(m); IP6_STATDEC(IP6_STAT_DELIVERED); @@ -2103,9 +2103,9 @@ icmp6_reflect(struct mbuf *m, size_t off * procedure of an outgoing packet of our own, in which case we need * to search in the ifaddr list. */ - if (IN6_IS_ADDR_MULTICAST(&origdst)) + if (IN6_IS_ADDR_MULTICAST(&origdst)) { ; - else if ((ip6a = ip6_getdstifaddr(m)) != NULL) { + } else if ((ip6a = ip6_getdstifaddr(m)) != NULL) { if ((ip6a->ip6a_flags & (IN6_IFF_ANYCAST|IN6_IFF_NOTREADY)) == 0) { ip6->ip6_src = ip6a->ip6a_src; @@ -2170,14 +2170,15 @@ icmp6_reflect(struct mbuf *m, size_t off if (rcvif) { /* XXX: This may not be the outgoing interface */ ip6->ip6_hlim = ND_IFINFO(rcvif)->chlim; - } else + } else { ip6->ip6_hlim = ip6_defhlim; + } m_put_rcvif(rcvif, &s); m->m_pkthdr.csum_flags = 0; icmp6->icmp6_cksum = 0; icmp6->icmp6_cksum = in6_cksum(m, IPPROTO_ICMPV6, - sizeof(struct ip6_hdr), plen); + sizeof(struct ip6_hdr), plen); /* * XXX option handling @@ -2191,8 +2192,8 @@ icmp6_reflect(struct mbuf *m, size_t off * Note that only echo and node information replies are affected, * since the length of ICMP6 errors is limited to the minimum MTU. */ - if (ip6_output(m, NULL, NULL, IPV6_MINMTU, NULL, NULL, &outif) - != 0 && outif) + if (ip6_output(m, NULL, NULL, IPV6_MINMTU, NULL, NULL, &outif) != 0 && + outif) icmp6_ifstat_inc(outif, ifs6_out_error); if (outif) icmp6_ifoutstat_inc(outif, type, code); @@ -2366,7 +2367,7 @@ icmp6_redirect_input(struct mbuf *m, int /* RFC 2461 8.3 */ nd6_cache_lladdr(ifp, &redtgt6, lladdr, lladdrlen, ND_REDIRECT, - is_onlink ? ND_REDIRECT_ONLINK : ND_REDIRECT_ROUTER); + is_onlink ? ND_REDIRECT_ONLINK : ND_REDIRECT_ROUTER); m_put_rcvif_psref(ifp, &psref); ifp = NULL; @@ -2406,7 +2407,7 @@ icmp6_redirect_input(struct mbuf *m, int memset(&ssrc, 0, sizeof(ssrc)); sdst.sin6_family = sgw.sin6_family = ssrc.sin6_family = AF_INET6; sdst.sin6_len = sgw.sin6_len = ssrc.sin6_len = - sizeof(struct sockaddr_in6); + sizeof(struct sockaddr_in6); bcopy(&redtgt6, &sgw.sin6_addr, sizeof(struct in6_addr)); bcopy(&reddst6, &sdst.sin6_addr, sizeof(struct in6_addr)); bcopy(&src6, &ssrc.sin6_addr, sizeof(struct in6_addr)); @@ -2765,7 +2766,7 @@ icmp6_ctloutput(int op, struct socket *s break; } - return (error); + return error; } /* @@ -2803,7 +2804,7 @@ icmp6_mtudisc_clone(struct sockaddr *dst int error; rt = rtalloc1(dst, 1); - if (rt == 0) + if (rt == NULL) return NULL; /* If we didn't get a host route, allocate one */