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fix:stm32 can build error #10909

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Merged
merged 1 commit into from
Nov 8, 2025
Merged

fix:stm32 can build error #10909

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4 changes: 2 additions & 2 deletions bsp/stm32/libraries/HAL_Drivers/drivers/drv_can.c
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Original file line number Diff line number Diff line change
Expand Up @@ -500,7 +500,7 @@ static rt_err_t _can_control(struct rt_can_device *can, int cmd, void *arg)
*
* @return `RT_EOK` on success, or an error code on failure.
*/
static int _can_sendmsg(struct rt_can_device *can, const void *buf, rt_uint32_t box_num)
static rt_ssize_t _can_sendmsg(struct rt_can_device *can, const void *buf, rt_uint32_t box_num)
{
CAN_HandleTypeDef *hcan;
hcan = &((struct stm32_can *) can->parent.user_data)->CanHandle;
Expand Down Expand Up @@ -649,7 +649,7 @@ static rt_ssize_t _can_sendmsg_nonblocking(struct rt_can_device *can, const void
return RT_EOK;
}

static int _can_recvmsg(struct rt_can_device *can, void *buf, rt_uint32_t fifo)
static rt_ssize_t _can_recvmsg(struct rt_can_device *can, void *buf, rt_uint32_t fifo)
{
HAL_StatusTypeDef status;
CAN_HandleTypeDef *hcan;
Expand Down