#define MINORMASK ((1U << MINORBITS) - 1)
#define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS))
#define MINOR(dev) ((unsigned int) ((dev) & MINORMASK))
-#define MKDEV(ma,mi) (((ma) << MINORBITS) | (mi))
+#define MKDEV(ma, mi) ((((unsigned int) (ma)) << MINORBITS) | (unsigned int) (mi))
#endif // STATE_H