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x86: 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 msr, cpuid, and
therm_throt.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Akinobu Mita 2010-05-26 14:43:30 -07:00 committed by Linus Torvalds
parent b957e043ee
commit a94247e7fb
3 changed files with 3 additions and 3 deletions
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2
arch/x86/kernel/cpu/mcheck/therm_throt.c
View File

@ -190,7 +190,7 @@ thermal_throttle_cpu_callback(struct notifier_block *nfb,
mutex_unlock(&therm_cpu_lock); mutex_unlock(&therm_cpu_lock);
break; break;
} }
return err ? NOTIFY_BAD : NOTIFY_OK; return notifier_from_errno(err);
} }
static struct notifier_block thermal_throttle_cpu_notifier __cpuinitdata = static struct notifier_block thermal_throttle_cpu_notifier __cpuinitdata =

2
arch/x86/kernel/cpuid.c
View File

@ -170,7 +170,7 @@ static int __cpuinit cpuid_class_cpu_callback(struct notifier_block *nfb,
cpuid_device_destroy(cpu); cpuid_device_destroy(cpu);
break; break;
} }
return err ? NOTIFY_BAD : NOTIFY_OK; return notifier_from_errno(err);
} }
static struct notifier_block __refdata cpuid_class_cpu_notifier = static struct notifier_block __refdata cpuid_class_cpu_notifier =

2
arch/x86/kernel/msr.c
View File

@ -230,7 +230,7 @@ static int __cpuinit msr_class_cpu_callback(struct notifier_block *nfb,
msr_device_destroy(cpu); msr_device_destroy(cpu);
break; break;
} }
return err ? NOTIFY_BAD : NOTIFY_OK; return notifier_from_errno(err);
} }
static struct notifier_block __refdata msr_class_cpu_notifier = { static struct notifier_block __refdata msr_class_cpu_notifier = {