From 79c6904faff1ebd4bf4b7d9cd0c20ca70f4cec75 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Tue, 27 Nov 2007 09:42:33 +0000
Subject: [PATCH] ip route: add comment, no code changes

---
 networking/libiproute/iproute.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/networking/libiproute/iproute.c b/networking/libiproute/iproute.c
index d4437b923..ce2cd8b39 100644
--- a/networking/libiproute/iproute.c
+++ b/networking/libiproute/iproute.c
@@ -579,7 +579,9 @@ static int iproute_list_or_flush(char **argv, int flush)
 				filter.tb = 0;
 			else if (parm != KW_main)
 				invarg(*argv, "table");
-		} else if (arg == KW_cache) { // hmm is it valid - "ip r flush cache"?
+		} else if (arg == KW_cache) {
+			/* The command 'ip route flush cache' is used by OpenSWAN.
+			 * Assuming it's a synonym for 'ip route flush table cache' */
 			filter.tb = -1;
 		} else if (arg == KW_from) {
 			NEXT_ARG();