nat: Free the endpoint when we get an empty CI.
In case the BSC is sending us an empty/unused CI we have
a bug, but for now let us free the endpoint and figure out
which response we are getting.
diff --git a/openbsc/src/nat/bsc_mgcp_utils.c b/openbsc/src/nat/bsc_mgcp_utils.c
index 0455d1b..17c4bbf 100644
--- a/openbsc/src/nat/bsc_mgcp_utils.c
+++ b/openbsc/src/nat/bsc_mgcp_utils.c
@@ -314,6 +314,13 @@
}
endp->ci = bsc_mgcp_extract_ci((const char *) msg->l2h);
+ if (endp->ci == CI_UNUSED) {
+ LOGP(DMGCP, LOGL_ERROR, "No CI, freeing endpoint 0x%x\n",
+ ENDPOINT_NUMBER(endp));
+ bsc_mgcp_free_endpoint(bsc->nat, ENDPOINT_NUMBER(endp));
+ mgcp_free_endp(endp);
+ return;
+ }
/* free some stuff */
talloc_free(bsc_endp->transaction_id);