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fix(gptimer): race on FSM state in gptimer_start() (IDFGH-13929) #14767

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fix(gptimer): race on FSM state in gptimer_start() (IDFGH-13929) #14767

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2 changes: 1 addition & 1 deletion components/esp_driver_gptimer/src/gptimer.c
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Original file line number Diff line number Diff line change
Expand Up @@ -337,12 +337,12 @@ esp_err_t gptimer_start(gptimer_handle_t timer)
portENTER_CRITICAL_SAFE(&timer->spinlock);
timer_ll_enable_alarm(timer->hal.dev, timer->timer_id, timer->flags.alarm_en);
timer_ll_enable_counter(timer->hal.dev, timer->timer_id, true);
atomic_store(&timer->fsm, GPTIMER_FSM_RUN);
portEXIT_CRITICAL_SAFE(&timer->spinlock);
} else {
ESP_RETURN_ON_FALSE_ISR(false, ESP_ERR_INVALID_STATE, TAG, "timer is not enabled yet");
}

atomic_store(&timer->fsm, GPTIMER_FSM_RUN);
return ESP_OK;
}

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