diff --git a/drm/DrmConnector.cpp b/drm/DrmConnector.cpp
index 11c2bd2..cfafc1d 100644
--- a/drm/DrmConnector.cpp
+++ b/drm/DrmConnector.cpp
@@ -18,11 +18,11 @@
 
 #include "DrmConnector.h"
 
-#include <errno.h>
-#include <stdint.h>
 #include <xf86drmMode.h>
 
 #include <array>
+#include <cerrno>
+#include <cstdint>
 #include <sstream>
 
 #include "DrmDevice.h"
@@ -30,7 +30,7 @@
 
 namespace android {
 
-constexpr size_t TYPES_COUNT = 17;
+constexpr size_t kTypesCount = 17;
 
 DrmConnector::DrmConnector(DrmDevice *drm, drmModeConnectorPtr c,
                            DrmEncoder *current_encoder,
@@ -144,19 +144,19 @@
 }
 
 std::string DrmConnector::name() const {
-  constexpr std::array<const char *, TYPES_COUNT> names =
+  constexpr std::array<const char *, kTypesCount> kNames =
       {"None",   "VGA",  "DVI-I",     "DVI-D",   "DVI-A", "Composite",
        "SVIDEO", "LVDS", "Component", "DIN",     "DP",    "HDMI-A",
        "HDMI-B", "TV",   "eDP",       "Virtual", "DSI"};
 
-  if (type_ < TYPES_COUNT) {
+  if (type_ < kTypesCount) {
     std::ostringstream name_buf;
-    name_buf << names[type_] << "-" << type_id_;
+    name_buf << kNames[type_] << "-" << type_id_;
     return name_buf.str();
-  } else {
-    ALOGE("Unknown type in connector %d, could not make his name", id_);
-    return "None";
   }
+
+  ALOGE("Unknown type in connector %d, could not make his name", id_);
+  return "None";
 }
 
 int DrmConnector::UpdateModes() {
@@ -194,7 +194,7 @@
     }
   }
   modes_.swap(new_modes);
-  if (!preferred_mode_found && modes_.size() != 0) {
+  if (!preferred_mode_found && !modes_.empty()) {
     preferred_mode_id_ = modes_[0].id();
   }
   return 0;