From 2562e48b9de05903d56a743e66f26ae34631fd23 Mon Sep 17 00:00:00 2001
From: Sathish Ambley <sathish@solana.com>
Date: Wed, 19 Jun 2019 00:03:02 -0700
Subject: [PATCH] Check for non zero count value

---
 runtime/src/accounts_db.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/runtime/src/accounts_db.rs b/runtime/src/accounts_db.rs
index e8f3643ba..980f379bf 100644
--- a/runtime/src/accounts_db.rs
+++ b/runtime/src/accounts_db.rs
@@ -243,7 +243,9 @@ impl AccountStorageEntry {
             status = AccountStorageStatus::Available;
         }
 
-        *count_and_status = (count - 1, status);
+        if count > 0 {
+            *count_and_status = (count - 1, status);
+        }
         count_and_status.0
     }
 }