bts-trx: Avoid pushing interf_meas for disabled TRX

It makes no sense to push interference meas results for those TRX since
they are disabled, unused and hence won't be reported in RSL RF Res Ind.

Related: SYS#6370
Change-Id: Ie3fd80970585cb30808b0644568dbc8936a57721
(cherry picked from commit 8fe6479358d485203c0d5e4e4f437aaf7236d102)
---
M src/osmo-bts-trx/scheduler_trx.c
1 file changed, 19 insertions(+), 0 deletions(-)

diff --git a/src/osmo-bts-trx/scheduler_trx.c b/src/osmo-bts-trx/scheduler_trx.c
index 382ddae..e7ed5ea 100644
--- a/src/osmo-bts-trx/scheduler_trx.c
+++ b/src/osmo-bts-trx/scheduler_trx.c
@@ -124,6 +124,11 @@
 	unsigned int tn, ln;
 
 	llist_for_each_entry(trx, &bts->trx_list, list) {
+		/* Skip pushing interf_meas for disabled TRX */
+		if (trx->mo.nm_state.operational != NM_OPSTATE_ENABLED ||
+		    trx->bb_transc.mo.nm_state.operational != NM_OPSTATE_ENABLED)
+			continue;
+
 		for (tn = 0; tn < ARRAY_SIZE(trx->ts); tn++) {
 			const struct gsm_bts_trx_ts *ts = &trx->ts[tn];
 			for (ln = 0; ln < ARRAY_SIZE(ts->lchan); ln++)

