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Neels Hofmeyr nhofmeyr at sysmocom.de--- openbsc/src/gprs/gprs_gmm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c index 5f0a5fd..438e047 100644 --- a/openbsc/src/gprs/gprs_gmm.c +++ b/openbsc/src/gprs/gprs_gmm.c @@ -838,6 +838,10 @@ static int gsm48_rx_gmm_att_req(struct sgsn_mm_ctx *ctx, struct msgb *msg, int rc; LOGMMCTXP(LOGL_INFO, ctx, "-> GMM ATTACH REQUEST "); + if (!llme) { + LOGMMCTXP(LOGL_ERROR, ctx, "No LLME for GMM ATTACH REQUEST"); + return -EINVAL; + } /* As per TS 04.08 Chapter 4.7.1.4, the attach request arrives either * with a foreign TLLI (P-TMSI that was allocated to the MS before), -- 2.1.4