linux-kernel - [PATCH 10/12] s390: convert cpu notifier to return encapsulate errno value

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Message-Id: <1268903124-10237-10-git-send-email-akinobu.mita@gmail.com>
Date:	Thu, 18 Mar 2010 18:05:22 +0900
From:	Akinobu Mita <akinobu.mita@...il.com>
To:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Cc:	Akinobu Mita <akinobu.mita@...il.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	linux390@...ibm.com, linux-s390@...r.kernel.org
Subject: [PATCH 10/12] s390: 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 s390.

Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
Cc: Martin Schwidefsky <schwidefsky@...ibm.com>
Cc: Heiko Carstens <heiko.carstens@...ibm.com>
Cc: linux390@...ibm.com
Cc: linux-s390@...r.kernel.org
---
 arch/s390/kernel/smp.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 29f65bc..5c5ba7b 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -943,21 +943,21 @@ static int __cpuinit smp_cpu_notify(struct notifier_block *self,
 	struct cpu *c = &per_cpu(cpu_devices, cpu);
 	struct sys_device *s = &c->sysdev;
 	struct s390_idle_data *idle;
+	int err = 0;
 
 	switch (action) {
 	case CPU_ONLINE:
 	case CPU_ONLINE_FROZEN:
 		idle = &per_cpu(s390_idle, cpu);
 		memset(idle, 0, sizeof(struct s390_idle_data));
-		if (sysfs_create_group(&s->kobj, &cpu_online_attr_group))
-			return NOTIFY_BAD;
+		err = sysfs_create_group(&s->kobj, &cpu_online_attr_group);
 		break;
 	case CPU_DEAD:
 	case CPU_DEAD_FROZEN:
 		sysfs_remove_group(&s->kobj, &cpu_online_attr_group);
 		break;
 	}
-	return NOTIFY_OK;
+	return notifier_from_errno(err);
 }
 
 static struct notifier_block __cpuinitdata smp_cpu_nb = {
-- 
1.6.0.6

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