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iucv: 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 iucv.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Ursula Braun <ursula.braun@de.ibm.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 14:43:33 -07:00 committed by Linus Torvalds
parent eac4068013
commit 92e99a98bb
1 changed files with 5 additions and 4 deletions
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9
net/iucv/iucv.c
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@ -632,13 +632,14 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self,
iucv_irq_data[cpu] = kmalloc_node(sizeof(struct iucv_irq_data),
GFP_KERNEL|GFP_DMA, cpu_to_node(cpu));
if (!iucv_irq_data[cpu])
return NOTIFY_BAD;
return notifier_from_errno(-ENOMEM);
iucv_param[cpu] = kmalloc_node(sizeof(union iucv_param),
GFP_KERNEL|GFP_DMA, cpu_to_node(cpu));
if (!iucv_param[cpu]) {
kfree(iucv_irq_data[cpu]);
iucv_irq_data[cpu] = NULL;
return NOTIFY_BAD;
return notifier_from_errno(-ENOMEM);
}
iucv_param_irq[cpu] = kmalloc_node(sizeof(union iucv_param),
GFP_KERNEL|GFP_DMA, cpu_to_node(cpu));
@ -647,7 +648,7 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self,
iucv_param[cpu] = NULL;
kfree(iucv_irq_data[cpu]);
iucv_irq_data[cpu] = NULL;
return NOTIFY_BAD;
return notifier_from_errno(-ENOMEM);
}
break;
case CPU_UP_CANCELED:
@ -677,7 +678,7 @@ static int __cpuinit iucv_cpu_notify(struct notifier_block *self,
cpu_clear(cpu, cpumask);
if (cpus_empty(cpumask))
/* Can't offline last IUCV enabled cpu. */
return NOTIFY_BAD;
return notifier_from_errno(-EINVAL);
smp_call_function_single(cpu, iucv_retrieve_cpu, NULL, 1);
if (cpus_empty(iucv_irq_cpumask))
smp_call_function_single(first_cpu(iucv_buffer_cpumask),