fix possible crash for barline and hidden staff

musescore · Feb 28, 2014 · bb9c7b3 · bb9c7b3
1 parent cd6367d
commit bb9c7b3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libmscore/barline.cpp b/libmscore/barline.cpp
@@ -88,7 +88,7 @@ QPointF BarLine::pagePos() const
             int staffIdx1 = staffIdx();
             Staff* staff1 = score()->staff(staffIdx1);
             SysStaff* sysStaff1 = system->staff(staffIdx1);
-            while ( !(sysStaff1->show() && staff1->show()) ) {
+            while ( staff1 && sysStaff1 && !(sysStaff1->show() && staff1->show()) ) {
                   staffIdx1++;
                   staff1 = score()->staff(staffIdx1);
                   sysStaff1 = system->staff(staffIdx1);