[src/trunk]: src/sys/netinet Don't rebase the pointers. 'm' is only allowed t...

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/cb2926a2dcdf
branches:  trunk
changeset: 829777:cb2926a2dcdf
user:      maxv <maxv%NetBSD.org@localhost>
date:      Mon Feb 12 09:31:06 2018 +0000

description:
Don't rebase the pointers. 'm' is only allowed to become NULL (which
means 'processed').

diffstat:

 sys/netinet/udp_usrreq.c |  12 ++----------
 1 files changed, 2 insertions(+), 10 deletions(-)

diffs (33 lines):

diff -r 2480d75a2016 -r cb2926a2dcdf sys/netinet/udp_usrreq.c
--- a/sys/netinet/udp_usrreq.c  Mon Feb 12 08:22:26 2018 +0000
+++ b/sys/netinet/udp_usrreq.c  Mon Feb 12 09:31:06 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: udp_usrreq.c,v 1.240 2018/02/10 08:17:00 maxv Exp $    */
+/*     $NetBSD: udp_usrreq.c,v 1.241 2018/02/12 09:31:06 maxv Exp $    */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -66,7 +66,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: udp_usrreq.c,v 1.240 2018/02/10 08:17:00 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: udp_usrreq.c,v 1.241 2018/02/12 09:31:06 maxv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -405,14 +405,6 @@
                return;
        }
 
-       ip = mtod(m, struct ip *);
-       IP6_EXTHDR_GET(uh, struct udphdr *, m, iphlen, sizeof(struct udphdr));
-       if (uh == NULL) {
-               UDP_STATINC(UDP_STAT_HDROPS);
-               return;
-       }
-       /* XXX Re-enforce alignment? */
-
 #ifdef INET6
        if (IN_MULTICAST(ip->ip_dst.s_addr) || n == 0) {
                struct sockaddr_in6 src6, dst6;