[bsp][stm32] fix variable init

fix RT-Thread#9525
CherryUSB · Oct 15, 2024 · 47d9413 · 47d9413
1 parent 8c1cd39
commit 47d9413
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/bsp/stm32/libraries/HAL_Drivers/drivers/drv_gpio.c b/bsp/stm32/libraries/HAL_Drivers/drivers/drv_gpio.c
@@ -402,6 +402,8 @@ static rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
 
     if (enabled == PIN_IRQ_ENABLE)
     {
+        GPIO_InitTypeDef GPIO_InitStruct = {0};
+
         irqindex = bit2bitno(PIN_STPIN(pin));
         if (irqindex < 0 || irqindex >= (rt_int32_t)ITEM_NUM(pin_irq_map))
         {
@@ -417,7 +419,6 @@ static rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         }
 
         irqmap = &pin_irq_map[irqindex];
-        GPIO_InitTypeDef GPIO_InitStruct;
 
         /* Configure GPIO_InitStructure */
         GPIO_InitStruct.Pin = PIN_STPIN(pin);