From 8b1af054e8b6b9fae0a597a41c297f655bd3483a Mon Sep 17 00:00:00 2001
From: "Alexander V. Chernikov" <melifaro@FreeBSD.org>
Date: Wed, 1 Oct 2014 21:24:58 +0000
Subject: [PATCH] Free radix mask entries on main radix destroy. This is
 temporary commit to be merged to 10. Other approach (like hash table) should
 be used to store different masks.

PR:		194078
Submitted by:	Rumen Telbizov
MFC after:	3 days
---
 sys/net/radix.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/sys/net/radix.c b/sys/net/radix.c
index 98a18004dc41..0447cba6f665 100644
--- a/sys/net/radix.c
+++ b/sys/net/radix.c
@@ -1178,6 +1178,18 @@ rn_inithead(void **head, int off)
 	return (1);
 }
 
+static int
+rn_freeentry(struct radix_node *rn, void *arg)
+{
+	struct radix_node_head * const rnh = arg;
+	struct radix_node *x;
+
+	x = (struct radix_node *)rn_delete(rn + 2, NULL, rnh);
+	if (x != NULL)
+		Free(x);
+	return (0);
+}
+
 int
 rn_detachhead(void **head)
 {
@@ -1188,6 +1200,7 @@ rn_detachhead(void **head)
 
 	rnh = *head;
 
+	rn_walktree(rnh->rnh_masks, rn_freeentry, rnh->rnh_masks);
 	rn_detachhead_internal((void **)&rnh->rnh_masks);
 	rn_detachhead_internal(head);
 	return (1);