From 1968b7eb219650e2beee57e6849b8fcf7ca325a5 Mon Sep 17 00:00:00 2001
From: "Alexander V. Chernikov" <melifaro@FreeBSD.org>
Date: Tue, 14 Apr 2020 07:38:34 +0000
Subject: [PATCH] Postpone multipath seed init till SI_SUB_LAST, as it is
 needed only after  some useland program installs multiple paths to the same
 destination.

While here, make multipath init conditional.

Discussed with:	cem,ian
---
 sys/net/radix_mpath.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sys/net/radix_mpath.c b/sys/net/radix_mpath.c
index 698ddbb516e..f8a9b7db3df 100644
--- a/sys/net/radix_mpath.c
+++ b/sys/net/radix_mpath.c
@@ -40,6 +40,7 @@ __FBSDID("$FreeBSD$");
 
 #include "opt_inet.h"
 #include "opt_inet6.h"
+#include "opt_mpath.h"
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -298,11 +299,13 @@ rt_mpath_init_rnh(struct rib_head *rnh)
 	rnh->rnh_multipath = 1;
 }
 
+#ifdef RADIX_MPATH
 static void
 mpath_init(void)
 {
 
 	hashjitter = arc4random();
 }
-SYSINIT(mpath_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_ANY, mpath_init, NULL);
+SYSINIT(mpath_init, SI_SUB_LAST, SI_ORDER_ANY, mpath_init, NULL);
+#endif