Fixed a hidden stack overflow bug
'memset' should been next step after 'NULL' judge
@@ -186,13 +186,14 @@ int fh_pwm_probe(void *priv_data)
PWM_Enable(pwm_obj, RT_FALSE);
pwm_dev = rt_malloc(sizeof(struct rt_device));
- rt_memset(pwm_dev, 0, sizeof(struct rt_device));
if (pwm_dev == RT_NULL)
{
rt_kprintf("ERROR: %s rt_device malloc failed\n", __func__);
}
+ rt_memset(pwm_dev, 0, sizeof(struct rt_device));
+
pwm_dev->user_data = &pwm_drv;
pwm_dev->open =fh_pwm_open;
pwm_dev->close = fh_pwm_close;
