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-rw-r--r--bsp/qemu-virt64-aarch64/drivers/drv_rtc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/bsp/qemu-virt64-aarch64/drivers/drv_rtc.c b/bsp/qemu-virt64-aarch64/drivers/drv_rtc.c
index 8612b62641..f0a041b70d 100644
--- a/bsp/qemu-virt64-aarch64/drivers/drv_rtc.c
+++ b/bsp/qemu-virt64-aarch64/drivers/drv_rtc.c
@@ -64,6 +64,11 @@ static rt_err_t pl031_rtc_control(rt_device_t dev, int cmd, void *args)
RT_ASSERT(dev != RT_NULL);
+ if (args == RT_NULL)
+ {
+ return -RT_EINVAL;
+ }
+
switch (cmd)
{
case RT_DEVICE_CTRL_RTC_GET_TIME: