diff options
| -rw-r--r-- | src/osmo-bsc/gsm_08_08.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/osmo-bsc/gsm_08_08.c b/src/osmo-bsc/gsm_08_08.c index 80ed874be..1f6b38ef6 100644 --- a/src/osmo-bsc/gsm_08_08.c +++ b/src/osmo-bsc/gsm_08_08.c @@ -415,8 +415,13 @@ int bsc_compl_l3(struct gsm_lchan *lchan, struct msgb *msg, uint16_t chosen_chan /* If this Mobile Identity already has an active bsc_subscr, look whether there also is an active A-interface * conn for this subscriber. This may be the case during a Perform Location Request (LCS) from the MSC that - * started on an IDLE MS, and now the MS is becoming active. Associate with the existing conn. */ - if (bsub) + * started on an IDLE MS, and now the MS is becoming active. Associate with the existing conn. + * + * However, for a CM Re-Establishment Request, we must *not* re-use the existing conn, but allocate a second + * conn for the same bsub. The previous conn will be Clear'ed by the MSC as soon as it receives the L3 Complete + * message == the CM Re-Establishment Request. + */ + if (bsub && !(pdisc == GSM48_PDISC_MM && mtype == GSM48_MT_MM_CM_REEST_REQ)) conn = bsc_conn_by_bsub(bsub); if (!conn) { |