From e58cc56fb50ce9389445169da913b88045a557d5 Mon Sep 17 00:00:00 2001
From: anand76 <anand76@devvm4702.ftw0.facebook.com>
Date: Fri, 28 Jan 2022 12:47:42 -0800
Subject: [PATCH] Use == operator for shared_ptr nullptr comparison (#9465)

Summary:
From C++ 20 onwards, the != operator is not supported for a shared_ptr.
So switch to using ==.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9465

Test Plan: make check

Reviewed By: riversand963

Differential Revision: D33850596

Pulled By: anand1976

fbshipit-source-id: eec16d1aa6c39a315ec2d44d233d7518f9c1ddcb
---
 include/rocksdb/utilities/object_registry.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/rocksdb/utilities/object_registry.h b/include/rocksdb/utilities/object_registry.h
index 05e438bcd2..928676b2e6 100644
--- a/include/rocksdb/utilities/object_registry.h
+++ b/include/rocksdb/utilities/object_registry.h
@@ -531,10 +531,10 @@ class ObjectRegistry {
         }
       }
     }
-    if (parent_ != nullptr) {
-      return parent_->FindFactory<T>(name);
-    } else {
+    if (parent_ == nullptr) {
       return nullptr;
+    } else {
+      return parent_->FindFactory<T>(name);
     }
   }