X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7520f3da332d64a676b6f7d27a56004fabf2db36..b39fc8d7b1b853cb15f39d51617214b7b90a8872:/src/motif/scrolbar.cpp

diff --git a/src/motif/scrolbar.cpp b/src/motif/scrolbar.cpp
index 5b19681cf3..6cbdf29c23 100644
--- a/src/motif/scrolbar.cpp
+++ b/src/motif/scrolbar.cpp
@@ -125,6 +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;