gtphub_unmap_header_tei(): don't dereference unmapped_tei arg if not present (CID #57687)
diff --git a/openbsc/src/gprs/gtphub.c b/openbsc/src/gprs/gtphub.c
index e8bd3ae..58300ea 100644
--- a/openbsc/src/gprs/gtphub.c
+++ b/openbsc/src/gprs/gtphub.c
@@ -1434,14 +1434,16 @@
p->header_tei_rx, gtphub_port_str(from_port));
return -1;
}
- OSMO_ASSERT(*unmapped_from_tun);
+
+ if (unmapped_from_tun) {
+ OSMO_ASSERT(*unmapped_from_tun);
+ LOG(LOGL_DEBUG, "Unmapped TEI coming from: %s\n",
+ gtphub_tunnel_str(*unmapped_from_tun));
+ }
uint32_t unmapped_tei = to->tei_orig;
set_tei(p, unmapped_tei);
- LOG(LOGL_DEBUG, "Unmapped TEI coming from: %s\n",
- gtphub_tunnel_str(*unmapped_from_tun));
-
/* May be NULL for an invalidated tunnel. */
*to_port_p = to->peer;