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-rw-r--r--include/linux/cpu.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index f02d71bf6894..71dc6ba4f73f 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -89,9 +89,9 @@ int cpu_down(unsigned int cpu);
#define lock_cpu_hotplug() do { } while (0)
#define unlock_cpu_hotplug() do { } while (0)
#define lock_cpu_hotplug_interruptible() 0
-#define hotcpu_notifier(fn, pri) do { } while (0)
-#define register_hotcpu_notifier(nb) do { } while (0)
-#define unregister_hotcpu_notifier(nb) do { } while (0)
+#define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0)
+#define register_hotcpu_notifier(nb) do { (void)(nb); } while (0)
+#define unregister_hotcpu_notifier(nb) do { (void)(nb); } while (0)
/* CPUs don't go offline once they're online w/o CONFIG_HOTPLUG_CPU */
static inline int cpu_is_offline(int cpu) { return 0; }
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