fix crash on app exit

TODO.txt

@@ -2,12 +2,10 @@
 
 2009-11-08: Release 0.1
 
-DONE:
-- BTstackManager activated/deactivated/discovery
-
 NEXT:
 - BUG: bt_close crashes when used in CocoaTouch app
-- BUG: BTdaemon crashes on iPhone when CocoaTouch app is closed
+- add extern "C" to bstack methods
+  - see: http://stackoverflow.com/questions/376966/using-c-c-static-libraries-from-iphone-objectivec-apps
 - Provide BTstackManager Objective-C class
   - move connection methods to BTdevice (get more object oriented)
     - initWithAddress:(bd_addr_t *)addr
@@ -17,15 +15,12 @@ NEXT:
 - figure out how to receive iPhone System Power IONotifications (in BTdaemon) to detect, when phone gets locked
   - some trick
   - use Cocoa run loop for background app?
-- Add improved RFCOMM user-client
-  - use switch on RFCOMM control field in rfcomm.c packet handler
 - move RFCOMM code into BTdaemon
+- add timeouts to cocoa run loop
 - L2CAP 
   - segmentation
-- add timeouts to cocoa run loop
 
 == Release 0.2 - Incoming L2CAP supported + improved Inq Dialog
-
 - extend SpringBoard feedback
   - show alerts/messages using SpringBoardAcccess, e.g. Bluetooth disconnected by remote device
   - add code to notify about remote disconnets

src/l2cap.c

@@ -495,7 +495,7 @@ void l2cap_unregister_service_internal(connection_t *connection, uint16_t psm){
     l2cap_service_t *service = l2cap_get_service(psm);
     if (service) return;
     linked_list_remove(&l2cap_services, (linked_item_t *) service);
-    free( service );
+    free(service);
 }
 
 //
@@ -515,11 +515,13 @@ void l2cap_close_connection(connection_t *connection){
     
     // unregister services
     l2cap_service_t *service;
-    for (it = (linked_item_t *) &l2cap_services; it ; it = it->next){
-        channel = (l2cap_channel_t *) it->next;
+    for (it = (linked_item_t *) l2cap_services; it ; ){
+        service = (l2cap_service_t *) it->next;
         if (service->connection == connection){
-            it->next = it->next->next;
-            return;
+            it->next = service->item.next;
+            free(service);
+        } else {
+            it = it->next;
         }
     }
 }