add missing return statement

diff --git a/src/abis_rsl.c b/src/abis_rsl.c
index 5342a95..eb73229 100644
--- a/src/abis_rsl.c
+++ b/src/abis_rsl.c
@@ -471,7 +471,6 @@
 	if (network->channel_response)
 		(*network->channel_response)(lchan, 1);
 
-
 	return 0;
 }
 
@@ -655,6 +654,8 @@
 	/* inform the bsc that a channel has been allocated */
 	if (bts->network->channel_allocated)
 		(*bts->network->channel_allocated)(lchan, chreq_reason);
+
+	return ret;
 }
 
 static int abis_rsl_rx_cchan(struct msgb *msg)