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Fix NSA: lock scheduler before removing UE

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This commit is contained in:
Robert Schmidt
2023-05-03 16:12:45 +02:00
parent 3e282f9573
commit 3ea2afdca5
1 changed files with 4 additions and 1 deletions
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openair2/RRC/NR/rrc_gNB_nsa.c
+4 -1
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@@ -401,8 +401,11 @@ void rrc_remove_nsa_user(gNB_RRC_INST *rrc, int rnti) {
rrc_rlc_remove_ue(&ctxt);
// WHAT A RACE CONDITION
// lock the scheduler before removing the UE. Note: mac_remove_nr_ue() checks
// that the scheduler is actually locked!
NR_SCHED_LOCK(&RC.nrmac[rrc->module_id]->sched_lock);
mac_remove_nr_ue(RC.nrmac[rrc->module_id], rnti);
NR_SCHED_UNLOCK(&RC.nrmac[rrc->module_id]->sched_lock);
gtpv1u_enb_delete_tunnel_req_t tmp={0};
tmp.rnti=rnti;
tmp.from_gnb=1;