catch GSUP auth result without auth_fsm
When a vlr_subscr receives an Send Auth Info result, properly check whether the subscriber has an auth_fsm. Before, a missing auth_fsm would crash osmo-msc with: vlr.c:762 Trying to dispatch event 1 to non-existent FSM instance! Related: OS#4191 Change-Id: I1995d8f68cfde1140968fb9a97bd054de950de2e
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@ -757,6 +757,12 @@ static int vlr_subscr_handle_sai_res(struct vlr_subscr *vsub,
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struct osmo_fsm_inst *auth_fi = vsub->auth_fsm;
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void *data = (void *) gsup;
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if (!auth_fi) {
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LOGVSUBP(LOGL_ERROR, vsub, "Received GSUP %s, but there is no auth_fsm\n",
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osmo_gsup_message_type_name(gsup->message_type));
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return -1;
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}
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switch (gsup->message_type) {
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case OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT:
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osmo_fsm_inst_dispatch(auth_fi, VLR_AUTH_E_HLR_SAI_ACK, data);
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