[mgcp] Only patch RTP packets when they arrived on the RTP port
Do not attempt to patch RTCP packets...
diff --git a/openbsc/src/mgcp/mgcp_network.c b/openbsc/src/mgcp/mgcp_network.c
index 1f51233..ceeadb1 100644
--- a/openbsc/src/mgcp/mgcp_network.c
+++ b/openbsc/src/mgcp/mgcp_network.c
@@ -193,12 +193,14 @@
dest = !dest;
if (dest == DEST_NETWORK) {
- patch_payload(endp->net_payload_type, buf, rc);
+ if (proto == PROTO_RTP)
+ patch_payload(endp->net_payload_type, buf, rc);
return udp_send(fd->fd, &endp->remote,
proto == PROTO_RTP ? endp->net_rtp : endp->net_rtcp,
buf, rc);
} else {
- patch_payload(endp->bts_payload_type, buf, rc);
+ if (proto == PROTO_RTP)
+ patch_payload(endp->bts_payload_type, buf, rc);
return udp_send(fd->fd, &endp->bts,
proto == PROTO_RTP ? endp->bts_rtp : endp->bts_rtcp,
buf, rc);