md: 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 raid5.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 9ea17d6c799bac62fa348a043469246f5ef6dbb6..d2c0f94fa37d7a708b1c6854e7be3b1d3b60162f 100644 (file)
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4645,7 +4645,7 @@ static int raid456_cpu_notify(struct notifier_block *nfb, unsigned long action,
                        kfree(percpu->scribble);
                        pr_err("%s: failed memory allocation for cpu%ld\n",
                               __func__, cpu);
-                       return NOTIFY_BAD;
+                       return notifier_from_errno(-ENOMEM);
                }
                break;
        case CPU_DEAD: