jolly has uploaded this change for review.
Release BSS connection when CC transaction fails
When the creation of the transaction structure fails, the MSC will
send a RELEASE COMPLETE message.
This patch ensures that the MSC_A use counter is decremented, so
that the BSS connection is released, if it is not used by any other
transaction.
Without this patch, the msc_a_fsm would wait 5 seconds for an initial
transaction before releasing the BSS connection.
Related: OS#6427
Change-Id: Icb893d5c1ce4c77a29259ce66189576dcaa5a44a
---
M src/libmsc/gsm_04_08_cc.c
1 file changed, 3 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-msc refs/changes/13/38513/1
diff --git a/src/libmsc/gsm_04_08_cc.c b/src/libmsc/gsm_04_08_cc.c
index dafb41c..2557bef 100644
--- a/src/libmsc/gsm_04_08_cc.c
+++ b/src/libmsc/gsm_04_08_cc.c
@@ -2659,6 +2659,9 @@
rc = gsm48_tx_simple(msc_a,
GSM48_PDISC_CC | (transaction_id << 4),
GSM48_MT_CC_RELEASE_COMPL);
+ /* Decrement use counter that has been incremented by CM Service Request (CC).
+ * If there is no other service request, the BSS connection will be released. */
+ msc_a_put(msc_a, MSC_A_USE_CM_SERVICE_CC);
return -ENOMEM;
}
if (osmo_fsm_inst_dispatch(msc_a->c.fi, MSC_A_EV_TRANSACTION_ACCEPTED, trans)) {
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