From 695aff8d1e5d683a49bc46177f083ac4fad5ec0b Mon Sep 17 00:00:00 2001
From: Junming Chen <junming.chen.r@outlook.com>
Date: Mon, 13 Nov 2023 10:02:39 +0800
Subject: [PATCH] Update cpp/src/arrow/array/array_dict.cc

Co-authored-by: Sutou Kouhei <kou@cozmixng.org>
---
 cpp/src/arrow/array/array_dict.cc | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/cpp/src/arrow/array/array_dict.cc b/cpp/src/arrow/array/array_dict.cc
index 5602ee2edaf2c..0998f67e7373b 100644
--- a/cpp/src/arrow/array/array_dict.cc
+++ b/cpp/src/arrow/array/array_dict.cc
@@ -379,8 +379,7 @@ Result<int64_t> DictionaryArray::CountNullValues() const {
     return this->indices()->null_count();
   }
 
-  ARROW_ASSIGN_OR_RAISE(int64_t null_count, CountDictionaryArrayNullValues(data_));
-  return null_count;
+  return CountDictionaryArrayNullValues(data_);
 }
 
 Result<std::shared_ptr<Array>> DictionaryArray::Compact(MemoryPool* pool) const {