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>

1 files changed, 5 insertions, 4 deletions

diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index fd8b28361a64..f28ad2cc8428 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),