[bsp][stm32] fix variable init

mysterywolf · mysterywolf · commit 47d941388bdf · 2024-10-14T22:12:21.000-04:00
fix #9525
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);

Original file line number	Diff line number	Diff line change
`@@ -402,6 +402,8 @@ static rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,`
`402`	`402`
`403`	`403`	`if (enabled == PIN_IRQ_ENABLE)`
`404`	`404`	`{`
	`405`	`+ GPIO_InitTypeDef GPIO_InitStruct = {0};`
	`406`	`+`
`405`	`407`	`irqindex = bit2bitno(PIN_STPIN(pin));`
`406`	`408`	`if (irqindex < 0 \|\| irqindex >= (rt_int32_t)ITEM_NUM(pin_irq_map))`
`407`	`409`	`{`
`@@ -417,7 +419,6 @@ static rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,`
`417`	`419`	`}`
`418`	`420`
`419`	`421`	`irqmap = &pin_irq_map[irqindex];`
`420`		`- GPIO_InitTypeDef GPIO_InitStruct;`
`421`	`422`
`422`	`423`	`/* Configure GPIO_InitStructure */`
`423`	`424`	`GPIO_InitStruct.Pin = PIN_STPIN(pin);`