sgsn_rim: do not check the origin of a RIM message

When we forward RIM messages from GTP to BSSGP, we do not have to check
the origin of the message since it does not matter from which origin the
message came when we are forwarding it.

Related: OS#6095
Change-Id: Iea8176dcfe64c25d207bafc0ef61ca9d9ad415be
---
M src/sgsn/sgsn_rim.c
1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/sgsn/sgsn_rim.c b/src/sgsn/sgsn_rim.c
index c4a4a78..c6f8dcd 100644
--- a/src/sgsn/sgsn_rim.c
+++ b/src/sgsn/sgsn_rim.c
@@ -93,13 +93,6 @@
 /* Receive a RIM PDU from GTPv1C (EUTRAN) */
 int sgsn_rim_rx_from_gtp(struct bssgp_ran_information_pdu *pdu)
 {
-	if (pdu->routing_info_src.discr != BSSGP_RIM_ROUTING_INFO_EUTRAN) {
-		LOGP(DRIM, LOGL_ERROR, "Rx GTP RAN Information Relay: Expected src %s, got %s\n",
-		     bssgp_rim_routing_info_discr_str(BSSGP_RIM_ROUTING_INFO_EUTRAN),
-		     bssgp_rim_routing_info_discr_str(pdu->routing_info_src.discr));
-		return -EINVAL;
-	}
-
 	if (pdu->routing_info_dest.discr != BSSGP_RIM_ROUTING_INFO_GERAN) {
 		LOGP(DRIM, LOGL_ERROR, "Rx GTP RAN Information Relay: Expected dst %s, got %s\n",
 		     bssgp_rim_routing_info_discr_str(BSSGP_RIM_ROUTING_INFO_GERAN),

