gsm_04_11_gsup.c: fix broken reference counting for vsub
This change is similar to I5540556b1c75f6873883e46b78656f31fc1ef186. In gsm411_gsup_rx() we do call vlr_subscr_find_by_imsi(), which increases subscriber's reference count by one using the function name as the token. However, we never release this token, so the reference count grows on every received GSUP FORWARD-SM message. Change-Id: Ic729beb5f94cbbfbb251bc9ab66a5e7b799286c0
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@ -287,8 +287,10 @@ msg_error:
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int gsm411_gsup_rx(struct gsup_client_mux *gcm, void *data, const struct osmo_gsup_message *gsup_msg)
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{
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struct gsm_network *net = (struct gsm_network *) data;
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struct vlr_subscr *vsub = vlr_subscr_find_by_imsi(net->vlr, gsup_msg->imsi, __func__);
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struct vlr_subscr *vsub;
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int rc;
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vsub = vlr_subscr_find_by_imsi(net->vlr, gsup_msg->imsi, __func__);
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if (!vsub) {
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LOGP(DLSMS, LOGL_ERROR, "Rx %s for unknown subscriber, rejecting\n",
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osmo_gsup_message_type_name(gsup_msg->message_type));
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@ -303,16 +305,21 @@ int gsm411_gsup_rx(struct gsup_client_mux *gcm, void *data, const struct osmo_gs
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case OSMO_GSUP_MSGT_READY_FOR_SM_ERROR:
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case OSMO_GSUP_MSGT_READY_FOR_SM_RESULT:
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DEBUGP(DMSC, "Routed to GSM 04.11 MO handler\n");
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return gsm411_gsup_mo_handler(net, vsub, gsup_msg);
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rc = gsm411_gsup_mo_handler(net, vsub, gsup_msg);
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break;
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/* GSM 04.11 code implementing MT SMS */
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case OSMO_GSUP_MSGT_MT_FORWARD_SM_REQUEST:
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DEBUGP(DMSC, "Routed to GSM 04.11 MT handler\n");
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return gsm411_gsup_mt_handler(net, vsub, gsup_msg);
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rc = gsm411_gsup_mt_handler(net, vsub, gsup_msg);
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break;
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default:
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LOGP(DMM, LOGL_ERROR, "No handler found for %s, dropping message...\n",
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osmo_gsup_message_type_name(gsup_msg->message_type));
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return -GMM_CAUSE_MSGT_NOTEXIST_NOTIMPL;
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rc = -GMM_CAUSE_MSGT_NOTEXIST_NOTIMPL;
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}
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vlr_subscr_put(vsub, __func__);
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return rc;
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}
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