drivers: esp32: esp_intr_alloc return condition
Add checks to return value of esp_intr_alloc to avoid drivers init
returning 0 when interrupt allocation fails.
Signed-off-by: Raffael Rostagno <raffael.rostagno@espressif.com>
diff --git a/drivers/timer/esp32_sys_timer.c b/drivers/timer/esp32_sys_timer.c
index d657cc0..f745ff7 100644
--- a/drivers/timer/esp32_sys_timer.c
+++ b/drivers/timer/esp32_sys_timer.c
@@ -143,12 +143,18 @@
static int sys_clock_driver_init(void)
{
- esp_intr_alloc(DT_IRQ_BY_IDX(DT_NODELABEL(systimer0), 0, irq),
+ int ret;
+
+ ret = esp_intr_alloc(DT_IRQ_BY_IDX(DT_NODELABEL(systimer0), 0, irq),
ESP_PRIO_TO_FLAGS(DT_IRQ_BY_IDX(DT_NODELABEL(systimer0), 0, priority)),
sys_timer_isr,
NULL,
NULL);
+ if (ret != 0) {
+ return ret;
+ }
+
systimer_hal_init(&systimer_hal);
systimer_hal_connect_alarm_counter(&systimer_hal,
SYSTIMER_ALARM_OS_TICK_CORE0, SYSTIMER_COUNTER_OS_TICK);
