int __next_cpu(int n, const cpumask_t *srcp);
#define next_cpu(n, src) __next_cpu((n), &(src))
#else
-#define first_cpu(src) 0
-#define next_cpu(n, src) 1
+#define first_cpu(src) ({ (void)(src); 0; })
+#define next_cpu(n, src) ({ (void)(src); 1; })
#endif
#define cpumask_of_cpu(cpu) \