Bluetooth: Controller: Add -ECANCELED on return from lll_preempt_calc

Add -ECANCELED on return from lll_preempt_calc so that
assert check can be placed in the prepare callbacks of the
state/role implementations.

Signed-off-by: Vinayak Kariappa Chettimada <[email protected]>

Author: cvinayak

subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv.c

@@ -1040,6 +1040,8 @@ static int prepare_cb(struct lll_prepare_param *p)
 			     ticks_at_event)) {
 		radio_isr_set(isr_abort, lll);
 		radio_disable();
+
+		return -ECANCELED;
 	} else
 #endif /* CONFIG_BT_CTLR_XTAL_ADVANCED */
 	{

subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_aux.c

@@ -322,6 +322,8 @@ static int prepare_cb(struct lll_prepare_param *p)
 			     ticks_at_event)) {
 		radio_isr_set(lll_isr_abort, lll);
 		radio_disable();
+
+		return -ECANCELED;
 	} else
 #endif /* CONFIG_BT_CTLR_XTAL_ADVANCED */
 	{

subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_sync.c

@@ -243,6 +243,8 @@ static int prepare_cb(struct lll_prepare_param *p)
 			     ticks_at_event)) {
 		radio_isr_set(lll_isr_abort, lll);
 		radio_disable();
+
+		return -ECANCELED;
 	} else
 #endif /* CONFIG_BT_CTLR_XTAL_ADVANCED */
 	{

subsys/bluetooth/controller/ll_sw/nordic/lll/lll_central.c

@@ -245,6 +245,8 @@ static int prepare_cb(struct lll_prepare_param *p)
 			     ticks_at_event)) {
 		radio_isr_set(lll_isr_abort, lll);
 		radio_disable();
+
+		return -ECANCELED;
 	} else
 #endif /* CONFIG_BT_CTLR_XTAL_ADVANCED */
 	{

subsys/bluetooth/controller/ll_sw/nordic/lll/lll_peripheral.c

@@ -327,6 +327,8 @@ static int prepare_cb(struct lll_prepare_param *p)
 			     ticks_at_event)) {
 		radio_isr_set(lll_isr_abort, lll);
 		radio_disable();
+
+		return -ECANCELED;
 	} else
 #endif /* CONFIG_BT_CTLR_XTAL_ADVANCED */
 	{

subsys/bluetooth/controller/ll_sw/nordic/lll/lll_scan.c

@@ -481,6 +481,8 @@ static int common_prepare_cb(struct lll_prepare_param *p, bool is_resume)
 			     ticks_at_event)) {
 		radio_isr_set(isr_abort, lll);
 		radio_disable();
+
+		return -ECANCELED;
 	} else
 #endif /* CONFIG_BT_CTLR_XTAL_ADVANCED &&
 	* (EVENT_OVERHEAD_PREEMPT_US <= EVENT_OVERHEAD_PREEMPT_MIN_US)

subsys/bluetooth/controller/ll_sw/nordic/lll/lll_scan_aux.c

@@ -565,6 +565,8 @@ static int prepare_cb(struct lll_prepare_param *p)
 				   ticks_at_event)) {
 		radio_isr_set(isr_done, lll_aux);
 		radio_disable();
+
+		return -ECANCELED;
 	} else
 #endif /* CONFIG_BT_CTLR_XTAL_ADVANCED */
 	{