diff options
| -rw-r--r-- | openbsc/src/gprs/gprs_subscriber.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/openbsc/src/gprs/gprs_subscriber.c b/openbsc/src/gprs/gprs_subscriber.c index e4dda9c46..4434324ab 100644 --- a/openbsc/src/gprs/gprs_subscriber.c +++ b/openbsc/src/gprs/gprs_subscriber.c @@ -505,8 +505,14 @@ int gprs_subscr_rx_gsup_message(struct msgb *msg) return rc; } - if (!gsup_msg.imsi[0]) + if (!gsup_msg.imsi[0]) { + LOGP(DGPRS, LOGL_ERROR, "Missing IMSI in GSUP message\n"); + + if (GPRS_GSUP_IS_MSGT_REQUEST(gsup_msg.message_type)) + gprs_subscr_tx_gsup_error_reply(NULL, &gsup_msg, + GMM_CAUSE_INV_MAND_INFO); return -GMM_CAUSE_INV_MAND_INFO; + } subscr = gprs_subscr_get_by_imsi(gsup_msg.imsi); |