scrolledwindow: Make sure gtk_get_current_event_state returned a state

Technically correct and pleases Coverity.

diff --git a/gtk/gtkscrolledwindow.c b/gtk/gtkscrolledwindow.c
index 9d89da1f4a958eb30a19f696d207740c48a2cee4..d73aff53499c583976faca9d045c97964eb05dbb 100644 (file)
--- a/gtk/gtkscrolledwindow.c
+++ b/gtk/gtkscrolledwindow.c
@@ -1314,7 +1314,9 @@ scroll_controller_scroll (GtkEventControllerScroll *scroll,
   gboolean shifted;
   GdkModifierType state;
 
-  gtk_get_current_event_state (&state);
+  if (!gtk_get_current_event_state (&state))
+    return;
+
   shifted = (state & GDK_SHIFT_MASK) != 0;
 
   priv = scrolled_window->priv;