From 4c0751a1f6e4ee941791012b31f9dbc65601e1d6 Mon Sep 17 00:00:00 2001
From: Mathias Agopian <mathias@google.com>
Date: Thu, 20 Sep 2012 21:28:12 -0700
Subject: [PATCH] return an error, as expected, when querying a disconnected
 display

Change-Id: I405a3a7bb42b9bbd2ec7bfe09e60e1b7acf7389d
---
 services/surfaceflinger/SurfaceFlinger.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 0ce526637..8164d2034 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -536,6 +536,10 @@ status_t SurfaceFlinger::getDisplayInfo(const sp<IBinder>& display, DisplayInfo*
     }
 
     const HWComposer& hwc(getHwComposer());
+    if (!hwc.isConnected(type)) {
+        return NAME_NOT_FOUND;
+    }
+
     float xdpi = hwc.getDpiX(type);
     float ydpi = hwc.getDpiY(type);