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Subject[PATCH 08/12] iucv: convert cpu notifier to return encapsulate errno value
Date
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>
Cc: linux390@de.ibm.com
Cc: linux-s390@vger.kernel.org
---
net/iucv/iucv.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index fd8b283..f28ad2c 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -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),
--
1.6.0.6


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