From d66be0ae6929fee064a229d6c6bac3a871aba137 Mon Sep 17 00:00:00 2001
From: Chih-Hung Hsieh <chh@google.com>
Date: Thu, 5 Oct 2017 13:51:32 -0700
Subject: Use -Werror in frameworks/native/libs/gui and ui

* Remove unused variable and function.
* Suppress warning of unused return results.

Bug: 66996870
Test: build with WITH_TIDY=1
Change-Id: If6f445be1e7677a37bf780844a79b84d6d7e1c1e
---
 libs/gui/Surface.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'libs/gui/Surface.cpp')

diff --git a/libs/gui/Surface.cpp b/libs/gui/Surface.cpp
index 7b2b5c37f1..5bee7a41f6 100644
--- a/libs/gui/Surface.cpp
+++ b/libs/gui/Surface.cpp
@@ -153,7 +153,10 @@ status_t Surface::getDisplayRefreshCycleDuration(nsecs_t* outRefreshDuration) {
     ATRACE_CALL();
 
     DisplayStatInfo stats;
-    status_t err = composerService()->getDisplayStats(NULL, &stats);
+    status_t result = composerService()->getDisplayStats(NULL, &stats);
+    if (result != NO_ERROR) {
+        return result;
+    }
 
     *outRefreshDuration = stats.vsyncPeriod;
 
-- 
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