From dc5b02674fca593500397f443fed65f306979a8d Mon Sep 17 00:00:00 2001 From: Neels Hofmeyr Date: Wed, 25 Dec 2019 23:46:06 +0100 Subject: fix nullpointer: in gsm48_rx_gmm_ra_upd_req() Change-Id: Ifde15dc4151d84748f0e67b32c9c260cb2d9d8fc --- src/sgsn/gprs_gmm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/sgsn/gprs_gmm.c b/src/sgsn/gprs_gmm.c index f62d0d1f2..d34000506 100644 --- a/src/sgsn/gprs_gmm.c +++ b/src/sgsn/gprs_gmm.c @@ -1642,7 +1642,7 @@ static int gsm48_rx_gmm_ra_upd_req(struct sgsn_mm_ctx *mmctx, struct msgb *msg, rate_ctr_inc(&mmctx->ctrg->ctr[GMM_CTR_PKTS_SIG_IN]); /* Update the MM context with the new RA-ID */ - if (mmctx->ran_type == MM_CTX_T_GERAN_Gb) { + if (mmctx->ran_type == MM_CTX_T_GERAN_Gb && msgb_bcid(msg)) { bssgp_parse_cell_id(&mmctx->ra, msgb_bcid(msg)); /* Update the MM context with the new (i.e. foreign) TLLI */ mmctx->gb.tlli = msgb_tlli(msg); -- cgit v1.2.3