From e2c2770096b686b4d2456173f53cb50e01aa635c Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Sat, 1 Jul 2006 04:36:30 -0700 Subject: [PATCH] [PATCH] hotcpu_notifier-fixes Always use do {} while (0). Failing to do so can cause subtle compile failures or bugs. Cc: Chandra Seetharaman Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/cpu.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/linux/cpu.h b/include/linux/cpu.h index a3caf6866bae..44a11f1ccaf2 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -87,9 +87,9 @@ 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) -#define register_hotcpu_notifier(nb) -#define unregister_hotcpu_notifier(nb) +#define hotcpu_notifier(fn, pri) do { } while (0) +#define register_hotcpu_notifier(nb) do { } while (0) +#define unregister_hotcpu_notifier(nb) do { } 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; } -- 2.20.1