commit 4c0751a1f6e4ee941791012b31f9dbc65601e1d6
author Mathias Agopian <mathias@google.com> Thu Sep 20 21:28:12 2012 -0700
committer Mathias Agopian <mathias@google.com> Thu Sep 20 21:28:12 2012 -0700
tree 728034cbfb2509fa9d3bdc2347e64a846a4b7014
parent 38e623bc5c2d7224ebd5b82efaea401bc8e5367a

return an error, as expected, when querying a disconnected display

Change-Id: I405a3a7bb42b9bbd2ec7bfe09e60e1b7acf7389d

services/surfaceflinger/SurfaceFlinger.cpp

diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 0ce5266..8164d20 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -536,6 +536,10 @@
     }
 
     const HWComposer& hwc(getHwComposer());
+    if (!hwc.isConnected(type)) {
+        return NAME_NOT_FOUND;
+    }
+
     float xdpi = hwc.getDpiX(type);
     float ydpi = hwc.getDpiY(type);