diff options
| -rw-r--r-- | src/osmo-bts-sysmo/l1_if.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/osmo-bts-sysmo/l1_if.c b/src/osmo-bts-sysmo/l1_if.c index 482f74e5..267a0c29 100644 --- a/src/osmo-bts-sysmo/l1_if.c +++ b/src/osmo-bts-sysmo/l1_if.c @@ -678,6 +678,14 @@ static int handle_ph_data_ind(struct femtol1_hdl *fl1, GsmL1_PhDataInd_t *data_i case GsmL1_Sapi_Sdcch: case GsmL1_Sapi_FacchF: case GsmL1_Sapi_FacchH: + /* Check and Re-check for the SACCH */ + if (data_ind->msgUnitParam.u8Size == 0) { + LOGP(DL1C, LOGL_NOTICE, "%s %s data is null.\n", + gsm_lchan_name(lchan), + get_value_string(femtobts_l1sapi_names, data_ind->sapi)); + break; + } + /* if this is the first valid message after enabling Rx * decryption, we have to enable Tx encryption */ if (lchan->ciph_state == LCHAN_CIPH_RX_CONF) { |