move search for existing lchan for subscriber to new function
There's now a new function called 'lchan_for_subscr()' which can be
used to determine if there is any existing lchan for this subscriber.
diff --git a/openbsc/src/chan_alloc.c b/openbsc/src/chan_alloc.c
index a66f70e..860355a 100644
--- a/openbsc/src/chan_alloc.c
+++ b/openbsc/src/chan_alloc.c
@@ -269,3 +269,18 @@
return NULL;
}
+
+struct gsm_lchan *lchan_for_subscr(struct gsm_subscriber *subscr)
+{
+ struct gsm_bts *bts;
+ struct gsm_network *net = subscr->net;
+ struct gsm_lchan *lchan;
+
+ llist_for_each_entry(bts, &net->bts_list, list) {
+ lchan = lchan_find(bts, subscr);
+ if (lchan)
+ return lchan;
+ }
+
+ return 0;
+}