diff options
Diffstat (limited to 'openbsc/src/gprs/gprs_gmm.c')
| -rw-r--r-- | openbsc/src/gprs/gprs_gmm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c index 68ba32680..5848a63f5 100644 --- a/openbsc/src/gprs/gprs_gmm.c +++ b/openbsc/src/gprs/gprs_gmm.c @@ -1464,7 +1464,10 @@ static int gsm0408_rcv_gmm(struct sgsn_mm_ctx *mmctx, struct msgb *msg, default: LOGMMCTXP(LOGL_NOTICE, mmctx, "Unknown GSM 04.08 GMM msg type 0x%02x\n", gh->msg_type); - rc = gsm48_tx_gmm_status(mmctx, GMM_CAUSE_MSGT_NOTEXIST_NOTIMPL); + if (mmctx) + rc = gsm48_tx_gmm_status(mmctx, GMM_CAUSE_MSGT_NOTEXIST_NOTIMPL); + else + rc = -EINVAL; break; } |