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-rw-r--r--src/osmo-bsc/gsm_data.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/osmo-bsc/gsm_data.c b/src/osmo-bsc/gsm_data.c
index 46e26acff..0df45bf5c 100644
--- a/src/osmo-bsc/gsm_data.c
+++ b/src/osmo-bsc/gsm_data.c
@@ -1373,6 +1373,10 @@ bool ts_is_tch(struct gsm_bts_trx_ts *ts)
bool trx_is_usable(const struct gsm_bts_trx *trx)
{
+ /* not usable when RSL link is down */
+ if (trx->rsl_link == NULL)
+ return false;
+
/* FIXME: How does this behave for BS-11 ? */
if (is_ipaccess_bts(trx->bts)) {
if (!nm_is_running(&trx->mo.nm_state) ||