X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fport_set.cc;h=93fe54ed1c99807336ba609b3a04b8049c5adc80;hb=6cff31c8781c6a6c1b7a34253c19de8d5226aefb;hp=c7f5e2e674e7557cc1ca7eb3ce33a38dc0ce6a3e;hpb=fb45fdc052b23f4b2210c71a03a14bdb5986098a;p=ardour.git

diff --git a/libs/ardour/port_set.cc b/libs/ardour/port_set.cc
index c7f5e2e674..93fe54ed1c 100644
--- a/libs/ardour/port_set.cc
+++ b/libs/ardour/port_set.cc
@@ -92,7 +92,7 @@ PortSet::add (boost::shared_ptr<Port> port)
 
 	sort(v.begin(), v.end(), sort_ports_by_name);
 	sort(_all_ports.begin(), _all_ports.end(), sort_ports_by_type_and_name);
-	
+
 	_count.set(port->type(), _count.get(port->type()) + 1);
 	assert(_count.get(port->type()) == _ports[port->type()].size());
 }
@@ -104,7 +104,7 @@ PortSet::remove (boost::shared_ptr<Port> port)
 	if (i != _all_ports.end()) {
 		_all_ports.erase(i);
 	}
-	
+
 	for (std::vector<PortVec>::iterator l = _ports.begin(); l != _ports.end(); ++l) {
 		PortVec::iterator i = find(l->begin(), l->end(), port);
 		if (i != l->end()) {
@@ -145,9 +145,11 @@ PortSet::port(DataType type, size_t n) const
 		return port(n);
 	} else {
 		const PortVec& v = _ports[type];
-		assert(n < v.size());
-		return v[n];
+		if (n < v.size()) {
+			return v[n];
+		}
 	}
+	return boost::shared_ptr<Port>();
 }
 
 boost::shared_ptr<AudioPort>