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Bluetooth: Controller: Fix assertion terminating Periodic Sync

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Fix assertion due to changes introduced to support multiple
advertising chain reception.

Auxiliary context association with the Periodic Sync context
was not cleared due to which when terminating a Periodic
Synchronization triggered an assertion check, under race
conditions, detecting that the auxiliary context was already
released.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2025-02-07 19:16:13 +01:00 committed by Benjamin Cabé
parent 2461552e19
commit 3263729020
1 changed files with 6 additions and 0 deletions
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6
subsys/bluetooth/controller/ll_sw/nordic/lll/lll_sync.c
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@ -635,6 +635,9 @@ static void abort_cb(struct lll_prepare_param *prepare_param, void *param)
lll = prepare_param->param;
lll->skip_prepare += (lll->lazy_prepare + 1U);
/* Reset Sync context association with any Aux context as the chain reception is aborted. */
lll->lll_aux = NULL;
/* Extra done event, to check sync lost */
e = ull_event_done_extra_get();
LL_ASSERT(e);
@ -1185,6 +1188,9 @@ static void isr_rx_done_cleanup(struct lll_sync *lll, uint8_t crc_ok, bool sync_
{
struct event_done_extra *e;
/* Reset Sync context association with any Aux context as the chain reception is done. */
lll->lll_aux = NULL;
/* Calculate and place the drift information in done event */
e = ull_event_done_extra_get();
LL_ASSERT(e);