class_err = class_device_create(msr_class, MKDEV(MSR_MAJOR, i), NULL, "msr%d",i); 
class_err = class_device_create(msr_class, NULL, MKDEV(MSR_MAJOR, i), NULL, "msr%d",i); 
static int msr_class_device_create(int i){	int err = 0;	struct class_device *class_err;	class_err = class_device_create(msr_class, MKDEV(MSR_MAJOR, i), NULL, "msr%d",i);	if (IS_ERR(class_err)) 		err = PTR_ERR(class_err);	return err;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/53f4654272df7c51064825024340554b39c9efba/msr.c/buggy/arch/i386/kernel/msr.c