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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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