From d93b97fbcfdd5cd255a456ee4d8d6d8020103862 Mon Sep 17 00:00:00 2001
From: practicalswift <practicalswift@users.noreply.github.com>
Date: Sat, 18 Mar 2017 12:40:58 +0100
Subject: [PATCH] Set to nullptr after delete

---
 src/httpserver.cpp           | 1 +
 src/test/dbwrapper_tests.cpp | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/src/httpserver.cpp b/src/httpserver.cpp
index e1763c6ad..5f240d3c4 100644
--- a/src/httpserver.cpp
+++ b/src/httpserver.cpp
@@ -482,6 +482,7 @@ void StopHTTPServer()
         LogPrint("http", "Waiting for HTTP worker threads to exit\n");
         workQueue->WaitExit();
         delete workQueue;
+        workQueue = nullptr;
     }
     if (eventBase) {
         LogPrint("http", "Waiting for HTTP event thread to exit\n");
diff --git a/src/test/dbwrapper_tests.cpp b/src/test/dbwrapper_tests.cpp
index 22c90bd95..9d55beb8e 100644
--- a/src/test/dbwrapper_tests.cpp
+++ b/src/test/dbwrapper_tests.cpp
@@ -141,6 +141,7 @@ BOOST_AUTO_TEST_CASE(existing_data_no_obfuscate)
 
     // Call the destructor to free leveldb LOCK
     delete dbw;
+    dbw = nullptr;
 
     // Now, set up another wrapper that wants to obfuscate the same directory
     CDBWrapper odbw(ph, (1 << 10), false, false, true);
@@ -182,6 +183,7 @@ BOOST_AUTO_TEST_CASE(existing_data_reindex)
 
     // Call the destructor to free leveldb LOCK
     delete dbw;
+    dbw = nullptr;
 
     // Simulate a -reindex by wiping the existing data store
     CDBWrapper odbw(ph, (1 << 10), false, true, true);