# HG changeset patch
# User Chris Cannam
# Date 1400768604 -3600
# Node ID fe59d97750ba18cccb24871da50c4973fdbe212a
# Parent  a964151832a766829dff00b709262910ebac4fcc
Fix crash on checking progress of slice layer

diff -r a964151832a7 -r fe59d97750ba view/View.cpp
--- a/view/View.cpp	Wed May 14 09:54:34 2014 +0100
+++ b/view/View.cpp	Thu May 22 15:23:24 2014 +0100
@@ -1473,8 +1473,9 @@
 
                 //!!!
                 if (wfm ||
-                    (wfm = dynamic_cast<RangeSummarisableTimeValueModel *>
-                     (model->getSourceModel()))) {
+                    (model && 
+                     (wfm = dynamic_cast<RangeSummarisableTimeValueModel *>
+                      (model->getSourceModel())))) {
                     completion = wfm->getAlignmentCompletion();
 //                    SVDEBUG << "View::checkProgress: Alignment completion = " << completion << endl;
                     if (completion < 100) {