lynxis lazus has uploaded this change for review.

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vlr: vlr_lu_fsm: update the HLR only on initial IMSI attach

As long the VLR isn't supporting multiple MSCs, skip updating the HLR
on PERIODIC and REGULAR Location Updates (same for PS Attach Request/Routing Area Update).

Change-Id: I7adc2092557f8cc6bb358234df2d1a16d1036eee
---
M src/libvlr/vlr_lu_fsm.c
1 file changed, 9 insertions(+), 1 deletion(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-msc refs/changes/92/38492/1

diff --git a/src/libvlr/vlr_lu_fsm.c b/src/libvlr/vlr_lu_fsm.c
index f315e6c..ed7c169 100644
--- a/src/libvlr/vlr_lu_fsm.c
+++ b/src/libvlr/vlr_lu_fsm.c
@@ -879,12 +879,20 @@
 		/* FIXME: Delete subscriber record */
 		/* LU REJ: Roaming not allowed */
 		lu_fsm_failure(fi, GSM48_REJECT_ROAMING_NOT_ALLOWED);
-	} else {
+		return;
+	}
+
+	if (lfp->lu_type == VLR_LU_TYPE_IMSI_ATTACH) {
 		/* Update_HLR_VLR */
 		osmo_fsm_inst_state_chg(fi, VLR_ULA_S_WAIT_HLR_UPD,
 					LU_TIMEOUT_LONG, 0);
 		lfp->upd_hlr_vlr_fsm =
 			upd_hlr_vlr_proc_start(fi, vsub, VLR_ULA_E_UPD_HLR_COMPL);
+	} else {
+		/* PERIODIC and REGULAR, as long we don't support multiple MSC with different Location Areas */
+		osmo_fsm_inst_state_chg(fi, VLR_ULA_S_WAIT_LU_COMPL,
+					LU_TIMEOUT_LONG, 0);
+		vlr_loc_upd_start_lu_compl_fsm(fi);
 	}
 }
 

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