On Wed, Mar 02, 2022 at 12:47:11AM +0100, Alexander Bluhm wrote:
> Hi,
>
> The return value of in6_pcbnotify() is never used. Make it a void
> function.
>
> ok?
>
ok mvs@
> bluhm
>
> Index: netinet/in_pcb.h
> ===================================================================
> RCS file: /data/mirror/openbsd/cvs/src/sys/netinet/in_pcb.h,v
> retrieving revision 1.122
> diff -u -p -r1.122 in_pcb.h
> --- netinet/in_pcb.h 20 Jan 2022 11:06:57 -0000 1.122
> +++ netinet/in_pcb.h 1 Mar 2022 23:39:35 -0000
> @@ -310,7 +310,7 @@ struct rtentry *
> in_pcbrtentry(struct inpcb *);
>
> /* INET6 stuff */
> -int in6_pcbnotify(struct inpcbtable *, struct sockaddr_in6 *,
> +void in6_pcbnotify(struct inpcbtable *, struct sockaddr_in6 *,
> u_int, const struct sockaddr_in6 *, u_int, u_int, int, void *,
> void (*)(struct inpcb *, int));
> int in6_selecthlim(struct inpcb *);
> Index: netinet/tcp_subr.c
> ===================================================================
> RCS file: /data/mirror/openbsd/cvs/src/sys/netinet/tcp_subr.c,v
> retrieving revision 1.183
> diff -u -p -r1.183 tcp_subr.c
> --- netinet/tcp_subr.c 2 Jan 2022 22:36:04 -0000 1.183
> +++ netinet/tcp_subr.c 1 Mar 2022 23:44:42 -0000
> @@ -687,7 +687,7 @@ tcp6_ctlinput(int cmd, struct sockaddr *
> syn_cache_unreach((struct sockaddr *)sa6_src,
> sa, &th, rdomain);
> } else {
> - (void) in6_pcbnotify(&tcbtable, sa6, 0,
> + in6_pcbnotify(&tcbtable, sa6, 0,
> sa6_src, 0, rdomain, cmd, NULL, notify);
> }
> }
> @@ -822,7 +822,7 @@ tcp_ctlinput(int cmd, struct sockaddr *s
> void
> tcp6_mtudisc_callback(struct sockaddr_in6 *sin6, u_int rdomain)
> {
> - (void) in6_pcbnotify(&tcbtable, sin6, 0,
> + in6_pcbnotify(&tcbtable, sin6, 0,
> &sa6_any, 0, rdomain, PRC_MSGSIZE, NULL, tcp_mtudisc);
> }
> #endif /* INET6 */
> Index: netinet/udp_usrreq.c
> ===================================================================
> RCS file: /data/mirror/openbsd/cvs/src/sys/netinet/udp_usrreq.c,v
> retrieving revision 1.271
> diff -u -p -r1.271 udp_usrreq.c
> --- netinet/udp_usrreq.c 25 Feb 2022 23:51:03 -0000 1.271
> +++ netinet/udp_usrreq.c 1 Mar 2022 23:40:14 -0000
> @@ -791,10 +791,10 @@ udp6_ctlinput(int cmd, struct sockaddr *
> */
> }
>
> - (void) in6_pcbnotify(&udbtable, &sa6, uh.uh_dport,
> + in6_pcbnotify(&udbtable, &sa6, uh.uh_dport,
> &sa6_src, uh.uh_sport, rdomain, cmd, cmdarg, notify);
> } else {
> - (void) in6_pcbnotify(&udbtable, &sa6, 0,
> + in6_pcbnotify(&udbtable, &sa6, 0,
> &sa6_any, 0, rdomain, cmd, cmdarg, notify);
> }
> }
> Index: netinet6/in6_pcb.c
> ===================================================================
> RCS file: /data/mirror/openbsd/cvs/src/sys/netinet6/in6_pcb.c,v
> retrieving revision 1.112
> diff -u -p -r1.112 in6_pcb.c
> --- netinet6/in6_pcb.c 11 Feb 2021 10:41:19 -0000 1.112
> +++ netinet6/in6_pcb.c 1 Mar 2022 23:40:43 -0000
> @@ -364,7 +364,7 @@ in6_setpeeraddr(struct inpcb *inp, struc
> * Also perform input-side security policy check
> * once PCB to be notified has been located.
> */
> -int
> +void
> in6_pcbnotify(struct inpcbtable *table, struct sockaddr_in6 *dst,
> uint fport_arg, const struct sockaddr_in6 *src, uint lport_arg,
> u_int rtable, int cmd, void *cmdarg, void (*notify)(struct inpcb *, int))
> @@ -372,23 +372,23 @@ in6_pcbnotify(struct inpcbtable *table,
> struct inpcb *inp, *ninp;
> u_short fport = fport_arg, lport = lport_arg;
> struct sockaddr_in6 sa6_src;
> - int errno, nmatch = 0;
> + int errno;
> u_int32_t flowinfo;
> u_int rdomain;
>
> NET_ASSERT_LOCKED();
>
> if ((unsigned)cmd >= PRC_NCMDS)
> - return (0);
> + return;
>
> if (IN6_IS_ADDR_UNSPECIFIED(&dst->sin6_addr))
> - return (0);
> + return;
> if (IN6_IS_ADDR_V4MAPPED(&dst->sin6_addr)) {
> #ifdef DIAGNOSTIC
> printf("%s: Huh? Thought we never got "
> "called with mapped!\n", __func__);
> #endif
> - return (0);
> + return;
> }
>
> /*
> @@ -488,11 +488,9 @@ in6_pcbnotify(struct inpcbtable *table,
> continue;
> }
> do_notify:
> - nmatch++;
> if (notify)
> (*notify)(inp, errno);
> }
> - return (nmatch);
> }
>
> struct inpcb *
> Index: netinet6/raw_ip6.c
> ===================================================================
> RCS file: /data/mirror/openbsd/cvs/src/sys/netinet6/raw_ip6.c,v
> retrieving revision 1.141
> diff -u -p -r1.141 raw_ip6.c
> --- netinet6/raw_ip6.c 25 Feb 2022 23:51:04 -0000 1.141
> +++ netinet6/raw_ip6.c 1 Mar 2022 23:41:04 -0000
> @@ -336,7 +336,7 @@ rip6_ctlinput(int cmd, struct sockaddr *
> */
> }
>
> - (void) in6_pcbnotify(&rawin6pcbtable, sa6, 0,
> + in6_pcbnotify(&rawin6pcbtable, sa6, 0,
> sa6_src, 0, rdomain, cmd, cmdarg, notify);
> }
>
>