fix crash for unknown MI during Paging Response
Related: OS#4724 Related: I40496bbccbbd9c496cfa57df49e26f124a2b1554 (osmo-ttcn3-hacks) Change-Id: Ia2c8fa745cfab17ed7114d433f625ddc02ae7b11
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@ -1185,7 +1185,12 @@ static int gsm48_rx_rr_pag_resp(struct msc_a *msc_a, struct msgb *msg)
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vsub = msc_a_vsub(msc_a);
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if (!vsub) {
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LOG_MSC_A(msc_a, LOGL_ERROR, "subscriber not allowed to do a Paging Response\n");
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msc_a_put(msc_a, MSC_A_USE_PAGING_RESPONSE);
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/* Above MSC_A_USE_PAGING_RESPONSE may already have been removed by a forced release, put that use only
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* if it still exists. (see msc_a_fsm_releasing_onenter()) */
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if (osmo_use_count_by(&msc_a->use_count, MSC_A_USE_PAGING_RESPONSE))
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msc_a_put(msc_a, MSC_A_USE_PAGING_RESPONSE);
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return -EIO;
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}
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