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

Change-Id: I405a3a7bb42b9bbd2ec7bfe09e60e1b7acf7389d
2012-09-20 21:28:12 -07:00 · 2012-09-20 21:28:12 -07:00 · 4c0751a1f6
commit 4c0751a1f6
parent 38e623bc5c
1 changed files with 4 additions and 0 deletions
--- 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);