src: Make 'opts' local to rip_sbappendaddr().

[Repository Conversion <srcmastr%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a1697207c0d4
branches:  trunk
changeset: 318093:a1697207c0d4
user:      maxv <maxv%NetBSD.org@localhost>
date:      Thu Apr 12 07:45:29 2018 +0000
description:
Make 'opts' local to rip_sbappendaddr().

diffstat:

 sys/netinet/raw_ip.c |  23 ++++++++++++-----------
 1 files changed, 12 insertions(+), 11 deletions(-)

diffs (75 lines):

diff -r d97c6f21336a -r a1697207c0d4 sys/netinet/raw_ip.c
--- a/sys/netinet/raw_ip.c      Thu Apr 12 07:28:10 2018 +0000
+++ b/sys/netinet/raw_ip.c      Thu Apr 12 07:45:29 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: raw_ip.c,v 1.174 2018/04/12 07:28:10 maxv Exp $        */
+/*     $NetBSD: raw_ip.c,v 1.175 2018/04/12 07:45:29 maxv Exp $        */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -65,7 +65,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: raw_ip.c,v 1.174 2018/04/12 07:28:10 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: raw_ip.c,v 1.175 2018/04/12 07:45:29 maxv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -138,20 +138,23 @@
 
 static void
 rip_sbappendaddr(struct inpcb *last, struct ip *ip, const struct sockaddr *sa,
-    int hlen, struct mbuf *opts, struct mbuf *n)
+    int hlen, struct mbuf *n)
 {
+       struct mbuf *opts = NULL;
+
        if (last->inp_flags & INP_NOHEADER)
                m_adj(n, hlen);
-       if (last->inp_flags & INP_CONTROLOPTS 
-           || SOOPT_TIMESTAMP(last->inp_socket->so_options))
+       if (last->inp_flags & INP_CONTROLOPTS ||
+           SOOPT_TIMESTAMP(last->inp_socket->so_options))
                ip_savecontrol(last, &opts, ip, n);
        if (sbappendaddr(&last->inp_socket->so_rcv, sa, n, opts) == 0) {
                soroverflow(last->inp_socket);
                m_freem(n);
                if (opts)
                        m_freem(opts);
-       } else
+       } else {
                sorwakeup(last->inp_socket);
+       }
 }
 
 /*
@@ -167,7 +170,7 @@
        struct inpcb_hdr *inph;
        struct inpcb *inp;
        struct inpcb *last = NULL;
-       struct mbuf *n, *opts = NULL;
+       struct mbuf *n;
        struct sockaddr_in ripsrc;
        va_list ap;
 
@@ -209,9 +212,7 @@
                }
 #endif
                else if ((n = m_copypacket(m, M_DONTWAIT)) != NULL) {
-                       rip_sbappendaddr(last, ip, sintosa(&ripsrc), hlen, opts,
-                           n);
-                       opts = NULL;
+                       rip_sbappendaddr(last, ip, sintosa(&ripsrc), hlen, n);
                }
 
                last = inp;
@@ -225,7 +226,7 @@
        } else
 #endif
        if (last != NULL) {
-               rip_sbappendaddr(last, ip, sintosa(&ripsrc), hlen, opts, m);
+               rip_sbappendaddr(last, ip, sintosa(&ripsrc), hlen, m);
        } else if (inetsw[ip_protox[ip->ip_p]].pr_input == rip_input) {
                uint64_t *ips;