Change in osmo-bts[master]: nm_*_fsm: reset mo.nm_attr from previous runs when entering state NOT...

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pespin gerrit-no-reply at lists.osmocom.org
Fri Oct 8 15:54:25 UTC 2021


pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-bts/+/25730 )


Change subject: nm_*_fsm: reset mo.nm_attr from previous runs when entering state NOT_INSTALLED
......................................................................

nm_*_fsm: reset mo.nm_attr from previous runs when entering state NOT_INSTALLED

Code in oml.c, upon receiving net attributes, merges the new attributes
with old ones (for some reason I don't really know). Hence, if we
disconnect from a BSC and go to NOT_INSTALLED state, we must free
previous nm_attr in order to avoid mixing them once we connect to a new
(potentially different) BSC upon reconnect.

Related: OS#5248
Change-Id: I45cc22dd68121a7930301581bfd0a8db37879c77
---
M src/common/nm_bb_transc_fsm.c
M src/common/nm_bts_fsm.c
M src/common/nm_channel_fsm.c
M src/common/nm_radio_carrier_fsm.c
4 files changed, 8 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/30/25730/1

diff --git a/src/common/nm_bb_transc_fsm.c b/src/common/nm_bb_transc_fsm.c
index 40d5134..ca78256 100644
--- a/src/common/nm_bb_transc_fsm.c
+++ b/src/common/nm_bb_transc_fsm.c
@@ -59,6 +59,9 @@
 static void st_op_disabled_notinstalled_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
 {
 	struct gsm_bts_bb_trx *bb_transc = (struct gsm_bts_bb_trx *)fi->priv;
+	/* Reset state: */
+	TALLOC_FREE(bb_transc->mo.nm_attr);
+
 	bb_transc->mo.setattr_success = false;
 	bb_transc->mo.opstart_success = false;
 	oml_mo_state_chg(&bb_transc->mo, NM_OPSTATE_DISABLED, NM_AVSTATE_NOT_INSTALLED, NM_STATE_LOCKED);
diff --git a/src/common/nm_bts_fsm.c b/src/common/nm_bts_fsm.c
index c825ab5..c9dcd4c 100644
--- a/src/common/nm_bts_fsm.c
+++ b/src/common/nm_bts_fsm.c
@@ -59,6 +59,7 @@
 	struct gsm_bts *bts = (struct gsm_bts *)fi->priv;
 	/* Reset state: */
 	bts->si_valid = 0;
+	TALLOC_FREE(bts->mo.nm_attr);
 
 	bts->mo.setattr_success = false;
 	bts->mo.opstart_success = false;
diff --git a/src/common/nm_channel_fsm.c b/src/common/nm_channel_fsm.c
index 8ffddae..503ddfb 100644
--- a/src/common/nm_channel_fsm.c
+++ b/src/common/nm_channel_fsm.c
@@ -59,6 +59,7 @@
 	gsm_ts_release(ts);
 	if (ts->vamos.peer)
 		gsm_ts_release(ts->vamos.peer);
+	TALLOC_FREE(ts->mo.nm_attr);
 
 	ts->mo.setattr_success = false;
 	ts->mo.opstart_success = false;
diff --git a/src/common/nm_radio_carrier_fsm.c b/src/common/nm_radio_carrier_fsm.c
index be03d1d..88930dd 100644
--- a/src/common/nm_radio_carrier_fsm.c
+++ b/src/common/nm_radio_carrier_fsm.c
@@ -48,6 +48,9 @@
 static void st_op_disabled_notinstalled_on_enter(struct osmo_fsm_inst *fi, uint32_t prev_state)
 {
 	struct gsm_bts_trx *trx = (struct gsm_bts_trx *)fi->priv;
+	/* Reset state: */
+	TALLOC_FREE(trx->mo.nm_attr);
+
 	trx->mo.setattr_success = false;
 	trx->mo.opstart_success = false;
 	oml_mo_state_chg(&trx->mo, NM_OPSTATE_DISABLED, NM_AVSTATE_NOT_INSTALLED, NM_STATE_LOCKED);

-- 
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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-Change-Id: I45cc22dd68121a7930301581bfd0a8db37879c77
Gerrit-Change-Number: 25730
Gerrit-PatchSet: 1
Gerrit-Owner: pespin <pespin at sysmocom.de>
Gerrit-MessageType: newchange
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