diff --git a/lldb/source/Plugins/Language/ObjC/NSArray.cpp b/lldb/source/Plugins/Language/ObjC/NSArray.cpp
--- a/lldb/source/Plugins/Language/ObjC/NSArray.cpp
+++ b/lldb/source/Plugins/Language/ObjC/NSArray.cpp
@@ -532,9 +532,8 @@
     process_sp->ReadMemory(data_location, m_data_64, sizeof(D64),
                            error);
   }
-  if (error.Fail())
-    return false;
-  return false;
+
+  return error.Success();
 }
 
 bool
@@ -675,9 +674,8 @@
     process_sp->ReadMemory(data_location, m_data_64, sizeof(D64),
                            error);
   }
-  if (error.Fail())
-    return false;
-  return false;
+
+  return error.Success();
 }
 
 template <typename D32, typename D64, bool Inline>
diff --git a/lldb/source/Plugins/Language/ObjC/NSDictionary.cpp b/lldb/source/Plugins/Language/ObjC/NSDictionary.cpp
--- a/lldb/source/Plugins/Language/ObjC/NSDictionary.cpp
+++ b/lldb/source/Plugins/Language/ObjC/NSDictionary.cpp
@@ -1121,9 +1121,8 @@
     process_sp->ReadMemory(data_location, m_data_64, sizeof(D64),
                            error);
   }
-  if (error.Fail())
-    return false;
-  return true;
+
+  return error.Success();
 }
 
 template <typename D32, typename D64>
@@ -1284,9 +1283,8 @@
     process_sp->ReadMemory(data_location, m_data_64, sizeof(DataDescriptor_64),
                            error);
   }
-  if (error.Fail())
-    return false;
-  return false;
+
+  return error.Success();
 }
 
 bool
diff --git a/lldb/source/Plugins/Language/ObjC/NSSet.cpp b/lldb/source/Plugins/Language/ObjC/NSSet.cpp
--- a/lldb/source/Plugins/Language/ObjC/NSSet.cpp
+++ b/lldb/source/Plugins/Language/ObjC/NSSet.cpp
@@ -461,7 +461,7 @@
   if (error.Fail())
     return false;
   m_data_ptr = data_location + m_ptr_size;
-  return false;
+  return true;
 }
 
 bool lldb_private::formatters::NSSetISyntheticFrontEnd::MightHaveChildren() {
@@ -735,9 +735,7 @@
     process_sp->ReadMemory(data_location, m_data_64, sizeof(D64),
                            error);
   }
-  if (error.Fail())
-    return false;
-  return false;
+  return error.Success();
 }
 
 template <typename D32, typename D64>