fix crash when copy'ing latent plugins

[ardour.git] / libs / ardour / control_protocol_manager.cc

diff --git a/libs/ardour/control_protocol_manager.cc b/libs/ardour/control_protocol_manager.cc
index 2b0a4dce4cd71e5fb8ddb822cdbbbb9d718e35d6..a0a36c17dd2150480e4262d4caea12dd51a8fa14 100644 (file)
--- a/libs/ardour/control_protocol_manager.cc
+++ b/libs/ardour/control_protocol_manager.cc
@@ -43,6 +43,22 @@ using namespace PBD;
 ControlProtocolManager* ControlProtocolManager::_instance = 0;
 const string ControlProtocolManager::state_node_name = X_("ControlProtocols");
 
+
+ControlProtocolInfo::~ControlProtocolInfo ()
+{
+       if (protocol && descriptor) {
+               descriptor->destroy (descriptor, protocol);
+               protocol = 0;
+       }
+
+       delete state; state = 0;
+
+       if (descriptor) {
+               delete (Glib::Module*) descriptor->module;
+               descriptor = 0;
+       }
+}
+
 ControlProtocolManager::ControlProtocolManager ()
 {
 }
@@ -434,6 +450,7 @@ ControlProtocolManager::set_state (const XMLNode& node, int /*version*/)
                        ControlProtocolInfo* cpi = cpi_by_name (prop->value());
 
                        if (cpi) {
+                               delete cpi->state;
                                cpi->state = new XMLNode (**citer);
 
                                if (active) {