On Thursday, May 23, 2013 08:44:26 PM Hanjun Guo wrote:
> In acpi_processor_add(), get_cpu_device() will return NULL sometimes,
> although the chances are small, I think it should be fixed.
>
> Signed-off-by: Hanjun Guo <hanjun....@linaro.org>
This patch isn't necessary any more after the changes queued up for 3.11
in the acpi-hotplug branch of the linux-pm.git tree.
Thanks,
Rafael
> ---
> drivers/acpi/processor_driver.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
> index bec717f..dd64f23 100644
> --- a/drivers/acpi/processor_driver.c
> +++ b/drivers/acpi/processor_driver.c
> @@ -579,6 +579,10 @@ static int __cpuinit acpi_processor_add(struct
> acpi_device
> *device)
> per_cpu(processors, pr->id) = pr;
>
> dev = get_cpu_device(pr->id);
> + if (!dev) {
> + result = -ENODEV;
> + goto err_clear_processor;
> + }
> if (sysfs_create_link(&device->dev.kobj, &dev->kobj, "sysdev")) {
> result = -EFAULT;
> goto err_clear_processor;
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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