[Midnightbsd-cvs] src [7527] trunk/usr.bin/netstat/route.c: add comment about why this is here

[laffer1 at midnightbsd.org]

Revision: 7527
          http://svnweb.midnightbsd.org/src/?rev=7527
Author:   laffer1
Date:     2016-04-14 08:08:56 -0400 (Thu, 14 Apr 2016)
Log Message:
-----------
add comment about why this is here

Modified Paths:
--------------
    trunk/usr.bin/netstat/route.c

Modified: trunk/usr.bin/netstat/route.c
===================================================================
--- trunk/usr.bin/netstat/route.c	2016-04-14 12:08:05 UTC (rev 7526)
+++ trunk/usr.bin/netstat/route.c	2016-04-14 12:08:56 UTC (rev 7527)
@@ -637,6 +637,12 @@
 	    {
 		struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *)sa;
 
+		/*
+		 * The sa6->sin6_scope_id must be filled here because
+		 * this sockaddr is extracted from kmem(4) directly
+		 * and has KAME-specific embedded scope id in
+		 * sa6->sin6_addr.s6_addr[2].
+		 */
 		in6_fillscopeid(sa6);
 
 		if (flags & RTF_HOST)