From a297643f2e327a8bc7061bfc838fdf11935a2cf2 Mon Sep 17 00:00:00 2001
From: Islam AbdelRahman <tec@fb.com>
Date: Thu, 11 Aug 2016 23:34:19 -0700
Subject: [PATCH] Fix valgrind memory leak

---
 db/forward_iterator.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/db/forward_iterator.cc b/db/forward_iterator.cc
index f66e1f0af..92b5ab25e 100644
--- a/db/forward_iterator.cc
+++ b/db/forward_iterator.cc
@@ -42,6 +42,15 @@ class LevelIterator : public InternalIterator {
         file_iter_(nullptr),
         pinned_iters_mgr_(nullptr) {}
 
+  ~LevelIterator() {
+    // Reset current pointer
+    if (pinned_iters_mgr_ && pinned_iters_mgr_->PinningEnabled()) {
+      pinned_iters_mgr_->PinIterator(file_iter_);
+    } else {
+      delete file_iter_;
+    }
+  }
+
   void SetFileIndex(uint32_t file_index) {
     assert(file_index < files_.size());
     if (file_index != file_index_) {