X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/355b4d3de54b76db87439fa2142c7334a6e48f85..b39fc8d7b1b853cb15f39d51617214b7b90a8872:/src/motif/scrolbar.cpp?ds=inline

diff --git a/src/motif/scrolbar.cpp b/src/motif/scrolbar.cpp
index 789220c16f..6cbdf29c23 100644
--- a/src/motif/scrolbar.cpp
+++ b/src/motif/scrolbar.cpp
@@ -12,7 +12,6 @@
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
-#include "wx/defs.h"
 #include "wx/scrolbar.h"
 
 #ifdef __VMS__
@@ -126,6 +125,8 @@ static void wxScrollBarCallback(Widget widget, XtPointer clientData,
                                 XmScaleCallbackStruct *cbs)
 {
     wxScrollBar *scrollBar = (wxScrollBar*)wxGetWindowFromTable(widget);
+    wxCHECK_RET( scrollBar, _T("invalid widget in scrollbar callback") );
+
     wxOrientation orientation = (wxOrientation)wxPtrToUInt(clientData);
     wxEventType eventType = wxEVT_NULL;