kernel/: convert cpu notifier to return encapsulate errno value

By the previous modification, the cpu notifier can return encapsulate
errno value.  This converts the cpu notifiers for kernel/*.c

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 2 deletions

diff --git a/kernel/timer.c b/kernel/timer.c
index be394af5bc22..e3b8c697bde4 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1680,11 +1680,14 @@ static int __cpuinit timer_cpu_notify(struct notifier_block *self,
                                 unsigned long action, void *hcpu)
 {
         long cpu = (long)hcpu;
+        int err;
+
         switch(action) {
         case CPU_UP_PREPARE:
         case CPU_UP_PREPARE_FROZEN:
-                if (init_timers_cpu(cpu) < 0)
-                        return NOTIFY_BAD;
+                err = init_timers_cpu(cpu);
+                if (err < 0)
+                        return notifier_from_errno(err);
                 break;
 #ifdef CONFIG_HOTPLUG_CPU
         case CPU_DEAD: