From eaffaacf5e88baae1a2f016dfdd9df9d3129a13e Mon Sep 17 00:00:00 2001
From: Xiang Li <xiang.li@coreos.com>
Date: Tue, 9 Sep 2014 14:09:30 -0700
Subject: [PATCH] raft: do not need to copy committed entries

---
 raft/log.go | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/raft/log.go b/raft/log.go
index 40c49ecea..07a582e98 100644
--- a/raft/log.go
+++ b/raft/log.go
@@ -94,13 +94,7 @@ func (l *raftLog) resetUnstable() {
 // all the returned entries will be marked as applied.
 func (l *raftLog) nextEnts() (ents []pb.Entry) {
 	if l.committed > l.applied {
-		ents := l.slice(l.applied+1, l.committed+1)
-		if ents == nil {
-			return nil
-		}
-		cpy := make([]pb.Entry, len(ents))
-		copy(cpy, ents)
-		return cpy
+		return l.slice(l.applied+1, l.committed+1)
 	}
 	return nil
 }