src: Style, and remove another misleading comment.

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

details:   https://anonhg.NetBSD.org/src/rev/93519ae18bad
branches:  trunk
changeset: 318321:93519ae18bad
user:      maxv <maxv%NetBSD.org@localhost>
date:      Wed Apr 18 06:22:47 2018 +0000
description:
Style, and remove another misleading comment.

diffstat:

 sys/netipsec/ipsec_netbsd.c |  36 +++++++++++++++---------------------
 1 files changed, 15 insertions(+), 21 deletions(-)

diffs (123 lines):

diff -r 91dca9002be9 -r 93519ae18bad sys/netipsec/ipsec_netbsd.c
--- a/sys/netipsec/ipsec_netbsd.c       Wed Apr 18 06:17:43 2018 +0000
+++ b/sys/netipsec/ipsec_netbsd.c       Wed Apr 18 06:22:47 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ipsec_netbsd.c,v 1.50 2018/04/18 06:17:44 maxv Exp $   */
+/*     $NetBSD: ipsec_netbsd.c,v 1.51 2018/04/18 06:22:47 maxv Exp $   */
 /*     $KAME: esp_input.c,v 1.60 2001/09/04 08:43:19 itojun Exp $      */
 /*     $KAME: ah_input.c,v 1.64 2001/09/04 08:43:19 itojun Exp $       */
 
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ipsec_netbsd.c,v 1.50 2018/04/18 06:17:44 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ipsec_netbsd.c,v 1.51 2018/04/18 06:22:47 maxv Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_inet.h"
@@ -223,7 +223,7 @@
                         * Check to see if we have a valid SA corresponding
                         * to the address in the ICMP message payload.
                         */
-                       sav = KEY_LOOKUP_SA((const union sockaddr_union*)sa,
+                       sav = KEY_LOOKUP_SA((const union sockaddr_union *)sa,
                            IPPROTO_AH, ahp->ah_spi, 0, 0);
 
                        if (sav) {
@@ -298,12 +298,6 @@
                ip6cp1.ip6c_src = ip6cp->ip6c_src;
                pfctlinput2(cmd, sa, &ip6cp1);
 
-               /*
-                * Then go to special cases that need ESP header information.
-                * XXX: We assume that when ip6 is non NULL,
-                * M and OFF are valid.
-                */
-
                /* check if we can safely examine src and dst ports */
                if (m->m_pkthdr.len < off + sizeof(esp))
                        return NULL;
@@ -316,7 +310,7 @@
                        m_copydata(m, off, sizeof(esp), &esp);
                        espp = &esp;
                } else
-                       espp = (struct newesp*)(mtod(m, char *) + off);
+                       espp = (struct newesp *)(mtod(m, char *) + off);
 
                if (cmd == PRC_MSGSIZE) {
                        int valid = 0;
@@ -326,7 +320,7 @@
                         * the address in the ICMP message payload.
                         */
 
-                       sav = KEY_LOOKUP_SA((const union sockaddr_union*)sa,
+                       sav = KEY_LOOKUP_SA((const union sockaddr_union *)sa,
                            IPPROTO_ESP, espp->esp_spi, 0, 0);
 
                        if (sav) {
@@ -360,11 +354,11 @@
        struct sysctlnode node;
 
        node = *rnode;
-       t = *(int*)rnode->sysctl_data;
+       t = *(int *)rnode->sysctl_data;
        node.sysctl_data = &t;
        error = sysctl_lookup(SYSCTLFN_CALL(&node));
        if (error || newp == NULL)
-               return (error);
+               return error;
 
        switch (rnode->sysctl_num) {
        case IPSECCTL_DEF_ESP_TRANSLEV:
@@ -373,22 +367,22 @@
        case IPSECCTL_DEF_AH_NETLEV:
                if (t != IPSEC_LEVEL_USE &&
                    t != IPSEC_LEVEL_REQUIRE)
-                       return (EINVAL);
+                       return EINVAL;
                ipsec_invalpcbcacheall();
                break;
        case IPSECCTL_DEF_POLICY:
                if (t != IPSEC_POLICY_DISCARD &&
                    t != IPSEC_POLICY_NONE)
-                       return (EINVAL);
+                       return EINVAL;
                ipsec_invalpcbcacheall();
                break;
        default:
-               return (EINVAL);
+               return EINVAL;
        }
 
-       *(int*)rnode->sysctl_data = t;
+       *(int *)rnode->sysctl_data = t;
 
-       return (0);
+       return 0;
 }
 
 #ifdef IPSEC_DEBUG
@@ -399,11 +393,11 @@
        struct sysctlnode node;
 
        node = *rnode;
-       t = *(int*)rnode->sysctl_data;
+       t = *(int *)rnode->sysctl_data;
        node.sysctl_data = &t;
        error = sysctl_lookup(SYSCTLFN_CALL(&node));
        if (error || newp == NULL)
-               return (error);
+               return error;
 
        if (t < 0 || t > 1)
                return EINVAL;
@@ -415,7 +409,7 @@
                 printf("ipsec: HMAC corruption %s\n",
                     (t == 0) ? "deactivated" : "activated");
 
-       *(int*)rnode->sysctl_data = t;
+       *(int *)rnode->sysctl_data = t;
 
        return 0;
 }