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-rw-r--r--openbsc/src/abis_rsl.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/openbsc/src/abis_rsl.c b/openbsc/src/abis_rsl.c
index efafed86a..268c2d7b2 100644
--- a/openbsc/src/abis_rsl.c
+++ b/openbsc/src/abis_rsl.c
@@ -1140,6 +1140,7 @@ static int rsl_rx_chan_rqd(struct msgb *msg)
struct gsm_lchan *lchan;
u_int8_t rqd_ta;
int ret;
+ int is_lu;
u_int16_t arfcn;
u_int8_t ts_number, subch;
@@ -1162,8 +1163,14 @@ static int rsl_rx_chan_rqd(struct msgb *msg)
counter_inc(bts->network->stats.chreq.total);
+ /*
+ * We want LOCATION UPDATES to succeed and will assign a TCH
+ * if we have no SDCCH available.
+ */
+ is_lu = !!(chreq_reason == GSM_CHREQ_REASON_LOCATION_UPD);
+
/* check availability / allocate channel */
- lchan = lchan_alloc(bts, lctype);
+ lchan = lchan_alloc(bts, lctype, is_lu);
if (!lchan) {
LOGP(DRSL, LOGL_NOTICE, "BTS %d CHAN RQD: no resources for %s 0x%x\n",
msg->lchan->ts->trx->bts->nr, gsm_lchant_name(lctype), rqd_ref->ra);