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, 2 insertions, 2 deletions

diff --git a/kernel/padata.c b/kernel/padata.c
index b1c9857f8402..fdd8ae609ce3 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -659,7 +659,7 @@ static int padata_cpu_callback(struct notifier_block *nfb,
                 err = __padata_add_cpu(pinst, cpu);
                 mutex_unlock(&pinst->lock);
                 if (err)
-                        return NOTIFY_BAD;
+                        return notifier_from_errno(err);
                 break;
 
         case CPU_DOWN_PREPARE:
@@ -670,7 +670,7 @@ static int padata_cpu_callback(struct notifier_block *nfb,
                 err = __padata_remove_cpu(pinst, cpu);
                 mutex_unlock(&pinst->lock);
                 if (err)
-                        return NOTIFY_BAD;
+                        return notifier_from_errno(err);
                 break;
 
         case CPU_UP_CANCELED: