From f42e275884ff65395296e1c280559bcd12f8ddf3 Mon Sep 17 00:00:00 2001
From: Matthias Radestock <matthias.radestock@gmail.com>
Date: Sat, 19 Mar 2016 13:57:20 +0000
Subject: [PATCH] broadcast ipam ring update after rmpeer

So that other peers notice the change more promptly.

Fixes #2068.
---
 ipam/allocator.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ipam/allocator.go b/ipam/allocator.go
index a9f3d13b..74168059 100644
--- a/ipam/allocator.go
+++ b/ipam/allocator.go
@@ -334,7 +334,10 @@ func (alloc *Allocator) AdminTakeoverRanges(peerNameOrNickname string) error {
 		}
 
 		newRanges, err := alloc.ring.Transfer(peername, alloc.ourName)
-		alloc.space.AddRanges(newRanges)
+		if err == nil && len(newRanges) > 0 {
+			alloc.space.AddRanges(newRanges)
+			alloc.gossip.GossipBroadcast(alloc.Gossip())
+		}
 		resultChan <- err
 	}
 	return <-resultChan