SL-15383 Controls table was empty after canceling advanced graphical settings

Also causes crashes on SearchableControl::setHighlighted due to views not being there

1 files changed, 7 insertions, 2 deletions

diff --git a/indra/newview/llfloaterpreference.cpp b/indra/newview/llfloaterpreference.cpp
index 9064a65d05..9e1829fd8b 100644
--- a/indra/newview/llfloaterpreference.cpp
+++ b/indra/newview/llfloaterpreference.cpp
@@ -3006,10 +3006,15 @@ void LLPanelPreferenceControls::cancel()
         if (mConflictHandler[i].hasUnsavedChanges())
         {
             mConflictHandler[i].clear();
+            if (mEditingMode == i)
+            {
+                // cancel() can be called either when preferences floater closes
+                // or when child floater closes (like advanced graphical settings)
+                // in which case we need to clear and repopulate table
+                regenerateControls();
+            }
         }
     }
-    pControlsTable->clearRows();
-    pControlsTable->clearColumns();
 }
 
 void LLPanelPreferenceControls::saveSettings()