On 03/04/2016 03:47 AM, Yangbo Lu wrote: > +int fsl_guts_init(void) > +{ > + struct device_node *np; > + > + /* Initialize guts only once */ > + if (guts) > + return guts->regs ? 0 : -ENOMEM; This check needs to be threadsafe. -Scott -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html