Avoid disabling outputs which are already disabled

Better to avoid making unnecessary calls, but mainly we want to avoid
logging false errors.

diff --git a/unix/common/randr.cxx b/unix/common/randr.cxx
index 76ae0bc34453b6c6fe127660e1fe7f023e03921a..9cfc95dd9dfb713af377f8b54909aac54768e150 100644 (file)
--- a/unix/common/randr.cxx
+++ b/unix/common/randr.cxx
@@ -300,6 +300,10 @@ unsigned int setScreenLayout(int fb_width, int fb_height, const rfb::ScreenSet&
     if (outputIdMap->count(output) == 1)
       continue;
 
+    /* Enabled? */
+    if (!vncRandRIsOutputEnabled(i))
+      continue;
+
     /* Disable and move on... */
     ret = vncRandRDisableOutput(i);
     if (!ret) {