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DU dies during HO: free HO context of UE to avoid dangling data

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This commit is contained in:
Robert Schmidt
2024-10-25 20:10:26 +02:00
parent b6ccf8aa77
commit 546ffee56b
1 changed files with 7 additions and 1 deletions
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openair2/RRC/NR/rrc_gNB_du.c
+7 -1
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@@ -24,6 +24,7 @@
#include "common/ran_context.h" #include "common/ran_context.h"
#include "nr_rrc_defs.h" #include "nr_rrc_defs.h"
#include "rrc_gNB_UE_context.h" #include "rrc_gNB_UE_context.h"
#include "rrc_gNB_mobility.h"
#include "openair2/F1AP/f1ap_common.h" #include "openair2/F1AP/f1ap_common.h"
#include "openair2/F1AP/f1ap_ids.h" #include "openair2/F1AP/f1ap_ids.h"
#include "executables/softmodem-common.h" #include "executables/softmodem-common.h"
@@ -397,7 +398,12 @@ static int invalidate_du_connections(gNB_RRC_INST *rrc, sctp_assoc_t assoc_id)
int count = 0; int count = 0;
rrc_gNB_ue_context_t *ue_context_p = NULL; rrc_gNB_ue_context_t *ue_context_p = NULL;
RB_FOREACH(ue_context_p, rrc_nr_ue_tree_s, &rrc->rrc_ue_head) { RB_FOREACH(ue_context_p, rrc_nr_ue_tree_s, &rrc->rrc_ue_head) {
uint32_t ue_id = ue_context_p->ue_context.rrc_ue_id; gNB_RRC_UE_t *UE = &ue_context_p->ue_context;
uint32_t ue_id = UE->rrc_ue_id;
if (UE->ho_context != NULL) {
LOG_W(NR_RRC, "DU disconnected while handover for UE %d active\n", ue_id);
nr_rrc_finalize_ho(UE);
}
f1_ue_data_t ue_data = cu_get_f1_ue_data(ue_id); f1_ue_data_t ue_data = cu_get_f1_ue_data(ue_id);
if (ue_data.du_assoc_id == assoc_id) { if (ue_data.du_assoc_id == assoc_id) {
/* this UE belongs to the DU that disconnected, set du_assoc_id to 0, /* this UE belongs to the DU that disconnected, set du_assoc_id to 0,