From: Paul Davis <paul@linuxaudiosystems.com>
Date: Thu, 17 Jan 2008 03:16:41 +0000 (+0000)
Subject: don't crash if history refers to a location that no longer exists
X-Git-Tag: 2.8.16~1689
X-Git-Url: https://main.carlh.net/gitweb/?a=commitdiff_plain;h=255a697c44953bcac441ff699cc953b6b0b7baf8;hp=fd62d7aa3c2df966e4284cad7dcee2acb57f4009;p=ardour.git

don't crash if history refers to a location that no longer exists

git-svn-id: svn://localhost/ardour2/branches/2.0-ongoing@2929 d708f5d6-7413-0410-9779-e7cbd77b26cf
---

diff --git a/libs/ardour/session_command.cc b/libs/ardour/session_command.cc
index b9a0e2cb60..687e10f789 100644
--- a/libs/ardour/session_command.cc
+++ b/libs/ardour/session_command.cc
@@ -86,7 +86,10 @@ Session::memento_command_factory(XMLNode *n)
 	    if (audio_sources.count(id))
 		    return new MementoCommand<AudioSource>(*audio_sources[id], before, after);
     } else if (obj_T == typeid (Location).name()) {
-	    return new MementoCommand<Location>(*_locations.get_location_by_id(id), before, after);
+	    Location* loc = _locations.get_location_by_id(id);
+	    if (loc) {
+		    return new MementoCommand<Location>(*loc, before, after);
+	    }
     } else if (obj_T == typeid (Locations).name()) {
 	    return new MementoCommand<Locations>(_locations, before, after);
     } else if (obj_T == typeid (TempoMap).name()) {