[src/trunk]: src/sys/netinet6 - Fix comment which was no longer accurate afte...

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

details:   https://anonhg.NetBSD.org/src/rev/3446e98f0905
branches:  trunk
changeset: 334762:3446e98f0905
user:      seanb <seanb%NetBSD.org@localhost>
date:      Fri Dec 05 18:45:37 2014 +0000

description:
- Fix comment which was no longer accurate after previous change to move
  from in_pcbconnect -> in6_pcbsetport.

diffstat:

 sys/netinet6/udp6_output.c |  14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)

diffs (35 lines):

diff -r 3aecc7224653 -r 3446e98f0905 sys/netinet6/udp6_output.c
--- a/sys/netinet6/udp6_output.c        Fri Dec 05 18:42:02 2014 +0000
+++ b/sys/netinet6/udp6_output.c        Fri Dec 05 18:45:37 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: udp6_output.c,v 1.46 2014/11/14 17:34:23 maxv Exp $    */
+/*     $NetBSD: udp6_output.c,v 1.47 2014/12/05 18:45:37 seanb Exp $   */
 /*     $KAME: udp6_output.c,v 1.43 2001/10/15 09:19:52 itojun Exp $    */
 
 /*
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: udp6_output.c,v 1.46 2014/11/14 17:34:23 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: udp6_output.c,v 1.47 2014/12/05 18:45:37 seanb Exp $");
 
 #include "opt_inet.h"
 
@@ -177,11 +177,11 @@
 
        if (sin6) {
                /*
-                * IPv4 version of udp_output calls in_pcbconnect in this case,
-                * which needs splnet and affects performance.
-                * We have to do this as well, since in6_pcbsetport needs to
-                * know the foreign address for some of the algorithms that
-                * it employs.
+                * Slightly different than v4 version in that we call
+                * in6_selectsrc and in6_pcbsetport to fill in the local
+                * address and port rather than in_pcbconnect. in_pcbconnect
+                * sets in6p_faddr which causes EISCONN below to be hit on
+                * subsequent sendto.
                 */
                if (sin6->sin6_port == 0) {
                        error = EADDRNOTAVAIL;