aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAndrew Morton <akpm@osdl.org>2006-07-01 04:36:30 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-01 09:56:03 -0700
commite2c2770096b686b4d2456173f53cb50e01aa635c (patch)
treed1d23d331e52945b61783e53fea9be75c3a2379e
parent1add6781c85d7e2ee512315113a16193b3e3937d (diff)
[PATCH] hotcpu_notifier-fixes
Always use do {} while (0). Failing to do so can cause subtle compile failures or bugs. Cc: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-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 a3caf6866ba..44a11f1ccaf 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; }