From 0060c0749a2a2b86c3dea51378e4a99d742f1b0c Mon Sep 17 00:00:00 2001
From: Xiang Li <xiang.li@coreos.com>
Date: Mon, 8 Sep 2014 21:12:02 -0700
Subject: [PATCH] raft: prev should be set only when we sucessfully send out rd
 to the channel

---
 raft/node.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/raft/node.go b/raft/node.go
index 370c4bf90..65908d411 100644
--- a/raft/node.go
+++ b/raft/node.go
@@ -106,7 +106,6 @@ func (n *Node) run(r *raft) {
 
 		if rd.containsUpdates(prev) {
 			readyc = n.readyc
-			prev = rd
 		} else {
 			readyc = nil
 		}
@@ -122,6 +121,7 @@ func (n *Node) run(r *raft) {
 		case readyc <- rd:
 			r.raftLog.resetNextEnts()
 			r.raftLog.resetUnstable()
+			prev = rd
 			r.msgs = nil
 		case <-n.done:
 			return