diff options
| -rw-r--r-- | openbsc/src/gprs/gprs_gmm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c index c55c300c1..99ab2765c 100644 --- a/openbsc/src/gprs/gprs_gmm.c +++ b/openbsc/src/gprs/gprs_gmm.c @@ -626,6 +626,8 @@ static int gsm48_gmm_authorize(struct sgsn_mm_ctx *ctx, { if (strlen(ctx->imei) && strlen(ctx->imsi)) { #ifdef PTMSI_ALLOC + ctx->t3370_id_type = GSM_MI_TYPE_NONE; + /* Start T3350 and re-transmit up to 5 times until ATTACH COMPLETE */ ctx->t3350_mode = t3350_mode; mmctx_timer_start(ctx, 3350, GSM0408_T3350_SECS); @@ -666,6 +668,14 @@ static int gsm48_rx_gmm_id_resp(struct sgsn_mm_ctx *ctx, struct msgb *msg) LOGMMCTXP(LOGL_DEBUG, ctx, "-> GMM IDENTITY RESPONSE: mi_type=0x%02x MI(%s)\n", mi_type, mi_string); + if (ctx->t3370_id_type == GSM_MI_TYPE_NONE) { + LOGMMCTXP(LOGL_NOTICE, ctx, + "Got unexpected IDENTITY RESPONSE: mi_type=0x%02x MI(%s), " + "ignoring message\n", + mi_type, mi_string); + return -EINVAL; + } + if (mi_type == ctx->t3370_id_type) mmctx_timer_stop(ctx, 3370); |