From 0887832b00a1e1b046f84bd570e94421a91199ea Mon Sep 17 00:00:00 2001
From: Stephen Akridge <stephen@solana.com>
Date: Fri, 29 Mar 2019 11:20:36 -0700
Subject: [PATCH] Early exit if buffered packets is empty

---
 core/src/banking_stage.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/core/src/banking_stage.rs b/core/src/banking_stage.rs
index c37a9cd209..5be3308c94 100644
--- a/core/src/banking_stage.rs
+++ b/core/src/banking_stage.rs
@@ -115,6 +115,10 @@ impl BankingStage {
         cluster_info: &Arc<RwLock<ClusterInfo>>,
         buffered_packets: &[(SharedPackets, usize)],
     ) -> bool {
+        if buffered_packets.is_empty() {
+            return false;
+        }
+
         let rcluster_info = cluster_info.read().unwrap();
 
         // If there's a bank, and leader is available, forward the buffered packets