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hci: pass big_handle to hci_emit_big_sync_stopped to allow safe big_sync object removal

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This commit is contained in:
Matthias Ringwald 2022-09-12 11:12:20 +02:00
parent 2be4ddd3ce
commit d04a9afcde
1 changed files with 18 additions and 17 deletions
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35
src/hci.c
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@ -239,7 +239,7 @@ static void hci_iso_notify_can_send_now(void);
static void hci_emit_big_created(const le_audio_big_t * big, uint8_t status);
static void hci_emit_big_terminated(const le_audio_big_t * big);
static void hci_emit_big_sync_created(const le_audio_big_sync_t * big_sync, uint8_t status);
static void hci_emit_big_sync_stopped(const le_audio_big_sync_t * big_sync);
static void hci_emit_big_sync_stopped(uint8_t big_handle);
static le_audio_big_sync_t * hci_big_sync_for_handle(uint8_t big_handle);
#endif /* ENABLE_LE_ISOCHRONOUS_STREAMS */
#endif /* ENABLE_BLE */
@ -2877,17 +2877,16 @@ static void handle_command_complete_event(uint8_t * packet, uint16_t size){
btstack_linked_list_iterator_init(&it, &hci_stack->le_audio_big_syncs);
while (btstack_linked_list_iterator_has_next(&it)) {
le_audio_big_sync_t *big_sync = (le_audio_big_sync_t *) btstack_linked_list_iterator_next(&it);
if (big_sync->state == LE_AUDIO_BIG_STATE_W4_TERMINATED){
btstack_linked_list_iterator_remove(&it);
switch (big_sync->state){
case LE_AUDIO_BIG_STATE_W4_TERMINATED_AFTER_SETUP_FAILED:
hci_emit_big_sync_created(big_sync, big_sync->state_vars.status);
break;
default:
hci_emit_big_sync_stopped(big_sync);
break;
}
return;
uint8_t big_handle = big_sync->big_handle;
switch (big_sync->state){
case LE_AUDIO_BIG_STATE_W4_TERMINATED_AFTER_SETUP_FAILED:
btstack_linked_list_iterator_remove(&it);
hci_emit_big_sync_created(big_sync, big_sync->state_vars.status);
return;
default:
btstack_linked_list_iterator_remove(&it);
hci_emit_big_sync_stopped(big_handle);
return;
}
}
break;
@ -4013,6 +4012,7 @@ static void event_handler(uint8_t *packet, uint16_t size){
big_sync = hci_big_sync_for_handle(packet[4]);
if (big_sync != NULL){
uint8_t status = packet[3];
uint8_t big_handle = packet[4];
if (status == ERROR_CODE_SUCCESS){
// store bis_con_handles and trigger iso path setup
uint8_t num_bis = btstack_min(MAX_NR_BIS, packet[16]);
@ -4031,7 +4031,7 @@ static void event_handler(uint8_t *packet, uint16_t size){
if (big_sync->state == LE_AUDIO_BIG_STATE_W4_ESTABLISHED) {
hci_emit_big_sync_created(big_sync, status);
} else {
hci_emit_big_sync_stopped(big_sync);
hci_emit_big_sync_stopped(big_handle);
}
}
}
@ -4039,8 +4039,9 @@ static void event_handler(uint8_t *packet, uint16_t size){
case HCI_SUBEVENT_LE_BIG_SYNC_LOST:
big_sync = hci_big_sync_for_handle(packet[4]);
if (big_sync != NULL){
uint8_t big_handle = packet[4];
btstack_linked_list_remove(&hci_stack->le_audio_big_syncs, (btstack_linked_item_t *) big_sync);
hci_emit_big_sync_stopped(big_sync);
hci_emit_big_sync_stopped(big_handle);
}
break;
#endif
@ -9088,13 +9089,13 @@ static void hci_emit_big_sync_created(const le_audio_big_sync_t * big_sync, uint
hci_emit_event(event, pos, 0);
}
static void hci_emit_big_sync_stopped(const le_audio_big_sync_t * big_sync){
static void hci_emit_big_sync_stopped(uint8_t big_handle){
uint8_t event [4];
uint16_t pos = 0;
event[pos++] = HCI_EVENT_META_GAP;
event[pos++] = 2;
event[pos++] = GAP_SUBEVENT_BIG_SYNC_STOPPED;
event[pos++] = big_sync->big_handle;
event[pos++] = big_handle;
hci_emit_event(event, pos, 0);
}
@ -9312,7 +9313,7 @@ uint8_t gap_big_sync_terminate(uint8_t big_handle){
switch (big_sync->state){
case LE_AUDIO_BIG_STATE_CREATE:
btstack_linked_list_remove(&hci_stack->le_audio_big_syncs, (btstack_linked_item_t *) big_sync);
hci_emit_big_sync_stopped(big_sync);
hci_emit_big_sync_stopped(big_handle);
break;
case LE_AUDIO_BIG_STATE_W4_SETUP_ISO_PATH:
big_sync->state = LE_AUDIO_BIG_STATE_W4_SETUP_ISO_PATH_THEN_TERMINATE;