Re: [PATCH] ACPI / memhotplug: Fix a stale pointer in error path

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(2013/07/11 1:47), Toshi Kani wrote:
> device->driver_data needs to be cleared when releasing its data,
> mem_device, in an error path of acpi_memory_device_add().
> 
> Signed-off-by: Toshi Kani <toshi.kani@xxxxxx>
> ---

Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>

Thanks,
Yasuaki Ishimatsu

>   drivers/acpi/acpi_memhotplug.c |    1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
> index c711d11..999adb5 100644
> --- a/drivers/acpi/acpi_memhotplug.c
> +++ b/drivers/acpi/acpi_memhotplug.c
> @@ -323,6 +323,7 @@ static int acpi_memory_device_add(struct acpi_device *device,
>   	/* Get the range from the _CRS */
>   	result = acpi_memory_get_device_resources(mem_device);
>   	if (result) {
> +		device->driver_data = NULL;
>   		kfree(mem_device);
>   		return result;
>   	}
> --
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