[GPRS] SGSN GTP: Fix segfault in case GGSN is down
diff --git a/openbsc/src/gprs/sgsn_libgtp.c b/openbsc/src/gprs/sgsn_libgtp.c
index df392b9..7df9325 100644
--- a/openbsc/src/gprs/sgsn_libgtp.c
+++ b/openbsc/src/gprs/sgsn_libgtp.c
@@ -238,7 +238,7 @@
/* Check for cause value if it was really successful */
if (cause < 0) {
LOGP(DGPRS, LOGL_NOTICE, "Create PDP ctx req timed out\n");
- if (pdp->version == 1) {
+ if (pdp && pdp->version == 1) {
pdp->version = 0;
gtp_create_context_req(sgsn->gsn, pdp, cbp);
return 0;
@@ -260,7 +260,8 @@
reject:
pctx->state = PDP_STATE_NONE;
- pdp_freepdp(pdp);
+ if (pdp)
+ pdp_freepdp(pdp);
sgsn_pdp_ctx_free(pctx);
/* Send PDP CTX ACT REJ to MS */
return gsm48_tx_gsm_act_pdp_rej(pctx->mm, pdp->ti, reject_cause,