[src/trunk]: src/sys/netipsec Omit unnecessary NULL checks for sav->sah

[ozaki-r <ozaki-r%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4c5127ba1d3a
branches:  trunk
changeset: 825373:4c5127ba1d3a
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Wed Jul 12 07:00:40 2017 +0000

description:
Omit unnecessary NULL checks for sav->sah

diffstat:

 sys/netipsec/ipsec.c        |  6 +++---
 sys/netipsec/ipsec_input.c  |  6 ++----
 sys/netipsec/ipsec_output.c |  5 ++---
 sys/netipsec/key.c          |  9 ++-------
 sys/netipsec/xform_ipip.c   |  5 ++---
 5 files changed, 11 insertions(+), 20 deletions(-)

diffs (157 lines):

diff -r 3f26ab6d7c4b -r 4c5127ba1d3a sys/netipsec/ipsec.c
--- a/sys/netipsec/ipsec.c      Wed Jul 12 05:26:42 2017 +0000
+++ b/sys/netipsec/ipsec.c      Wed Jul 12 07:00:40 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ipsec.c,v 1.101 2017/07/07 01:37:34 ozaki-r Exp $      */
+/*     $NetBSD: ipsec.c,v 1.102 2017/07/12 07:00:40 ozaki-r Exp $      */
 /*     $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/netipsec/ipsec.c,v 1.2.2.2 2003/07/01 01:38:13 sam Exp $       */
 /*     $KAME: ipsec.c,v 1.103 2001/05/24 07:14:18 sakane Exp $ */
 
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ipsec.c,v 1.101 2017/07/07 01:37:34 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ipsec.c,v 1.102 2017/07/12 07:00:40 ozaki-r Exp $");
 
 /*
  * IPsec controller part.
@@ -832,7 +832,7 @@
        /*
         * Find the correct route for outer IPv4 header, compute tunnel MTU.
         */
-       if (sp->req && sp->req->sav && sp->req->sav->sah) {
+       if (sp->req && sp->req->sav) {
                struct route *ro;
                struct rtentry *rt;
 
diff -r 3f26ab6d7c4b -r 4c5127ba1d3a sys/netipsec/ipsec_input.c
--- a/sys/netipsec/ipsec_input.c        Wed Jul 12 05:26:42 2017 +0000
+++ b/sys/netipsec/ipsec_input.c        Wed Jul 12 07:00:40 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ipsec_input.c,v 1.47 2017/07/07 01:37:34 ozaki-r Exp $ */
+/*     $NetBSD: ipsec_input.c,v 1.48 2017/07/12 07:00:40 ozaki-r Exp $ */
 /*     $FreeBSD: /usr/local/www/cvsroot/FreeBSD/src/sys/netipsec/ipsec_input.c,v 1.2.4.2 2003/03/28 20:32:53 sam Exp $ */
 /*     $OpenBSD: ipsec_input.c,v 1.63 2003/02/20 18:35:43 deraadt Exp $        */
 
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ipsec_input.c,v 1.47 2017/07/07 01:37:34 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ipsec_input.c,v 1.48 2017/07/12 07:00:40 ozaki-r Exp $");
 
 /*
  * IPsec input processing.
@@ -332,7 +332,6 @@
 
        KASSERT(m != NULL);
        KASSERT(sav != NULL);
-       KASSERT(sav->sah != NULL);
        saidx = &sav->sah->saidx;
        af = saidx->dst.sa.sa_family;
        KASSERTMSG(af == AF_INET, "unexpected af %u", af);
@@ -574,7 +573,6 @@
 
        KASSERT(m != NULL);
        KASSERT(sav != NULL);
-       KASSERT(sav->sah != NULL);
        saidx = &sav->sah->saidx;
        af = saidx->dst.sa.sa_family;
        KASSERTMSG(af == AF_INET6, "unexpected af %u", af);
diff -r 3f26ab6d7c4b -r 4c5127ba1d3a sys/netipsec/ipsec_output.c
--- a/sys/netipsec/ipsec_output.c       Wed Jul 12 05:26:42 2017 +0000
+++ b/sys/netipsec/ipsec_output.c       Wed Jul 12 07:00:40 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ipsec_output.c,v 1.50 2017/07/06 09:49:46 ozaki-r Exp $        */
+/*     $NetBSD: ipsec_output.c,v 1.51 2017/07/12 07:00:40 ozaki-r Exp $        */
 
 /*-
  * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
@@ -29,7 +29,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ipsec_output.c,v 1.50 2017/07/06 09:49:46 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ipsec_output.c,v 1.51 2017/07/12 07:00:40 ozaki-r Exp $");
 
 /*
  * IPsec output processing.
@@ -164,7 +164,6 @@
        KASSERT(isr != NULL);
        sav = isr->sav;
        KASSERT(sav != NULL);
-       KASSERT(sav->sah != NULL);
 
        saidx = &sav->sah->saidx;
 
diff -r 3f26ab6d7c4b -r 4c5127ba1d3a sys/netipsec/key.c
--- a/sys/netipsec/key.c        Wed Jul 12 05:26:42 2017 +0000
+++ b/sys/netipsec/key.c        Wed Jul 12 07:00:40 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: key.c,v 1.178 2017/07/12 03:59:32 ozaki-r Exp $        */
+/*     $NetBSD: key.c,v 1.179 2017/07/12 07:00:40 ozaki-r Exp $        */
 /*     $FreeBSD: src/sys/netipsec/key.c,v 1.3.2.3 2004/02/14 22:23:23 bms Exp $        */
 /*     $KAME: key.c,v 1.191 2001/06/27 10:46:49 sakane Exp $   */
 
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: key.c,v 1.178 2017/07/12 03:59:32 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: key.c,v 1.179 2017/07/12 07:00:40 ozaki-r Exp $");
 
 /*
  * This code is referd to RFC 2367
@@ -866,8 +866,6 @@
         * SADB_SASTATE_DEAD.  The SA for outbound must be the oldest.
         */
        if (isr->sav != NULL) {
-               if (isr->sav->sah == NULL)
-                       panic("key_checkrequest: sah is null");
                if (isr->sav == (struct secasvar *)LIST_FIRST(
                            &isr->sav->sah->savtree[SADB_SASTATE_DEAD])) {
                        KEY_FREESAV(&isr->sav);
@@ -6768,7 +6766,6 @@
        s = splsoftnet();       /*called from softclock()*/
 
        KASSERT(sav != NULL);
-       KASSERT(sav->sah != NULL);
 
        satype = key_proto2satype(sav->sah->saidx.proto);
        KASSERTMSG(satype != 0, "invalid proto is passed");
@@ -7694,8 +7691,6 @@
 )
 {
 
-       KASSERT(sav->sah != NULL);
-
        /* XXX: check inner IP header */
 
        return 1;
diff -r 3f26ab6d7c4b -r 4c5127ba1d3a sys/netipsec/xform_ipip.c
--- a/sys/netipsec/xform_ipip.c Wed Jul 12 05:26:42 2017 +0000
+++ b/sys/netipsec/xform_ipip.c Wed Jul 12 07:00:40 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: xform_ipip.c,v 1.50 2017/06/29 07:13:41 ozaki-r Exp $  */
+/*     $NetBSD: xform_ipip.c,v 1.51 2017/07/12 07:00:40 ozaki-r Exp $  */
 /*     $FreeBSD: src/sys/netipsec/xform_ipip.c,v 1.3.2.1 2003/01/24 05:11:36 sam Exp $ */
 /*     $OpenBSD: ip_ipip.c,v 1.25 2002/06/10 18:04:55 itojun Exp $ */
 
@@ -39,7 +39,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: xform_ipip.c,v 1.50 2017/06/29 07:13:41 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: xform_ipip.c,v 1.51 2017/07/12 07:00:40 ozaki-r Exp $");
 
 /*
  * IP-inside-IP processing
@@ -419,7 +419,6 @@
 
        KASSERT(isr->sav != NULL);
        sav = isr->sav;
-       KASSERT(sav->sah != NULL);
 
        /* XXX Deal with empty TDB source/destination addresses. */