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SubjectRe: [PATCH v2] xen: make functions in xen-acpi-processor return void
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On 03/31/2017 10:40 AM, Juergen Gross wrote:
> There are several functions in xen-acpi-processor which either always
> return the same value or where the returned value is never checked.
>
> Make the functions return void.
>
> Signed-off-by: Juergen Gross <jgross@suse.com>
> ---
> drivers/xen/xen-acpi-processor.c | 51 +++++++++++++++-------------------------
> 1 file changed, 19 insertions(+), 32 deletions(-)
>
> diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c
> index 23e391d..45be017 100644
> --- a/drivers/xen/xen-acpi-processor.c
> +++ b/drivers/xen/xen-acpi-processor.c
> @@ -54,7 +54,7 @@ static unsigned long *acpi_id_present;
> /* And if there is an _CST definition (or a PBLK) for the ACPI IDs */
> static unsigned long *acpi_id_cst_present;
>
> -static int push_cxx_to_hypervisor(struct acpi_processor *_pr)
> +static void push_cxx_to_hypervisor(struct acpi_processor *_pr)
> {
> struct xen_platform_op op = {
> .cmd = XENPF_set_processor_pminfo,
> @@ -70,7 +70,7 @@ static int push_cxx_to_hypervisor(struct acpi_processor *_pr)
> dst_cx_states = kcalloc(_pr->power.count,
> sizeof(struct xen_processor_cx), GFP_KERNEL);
> if (!dst_cx_states)
> - return -ENOMEM;
> + return;

Maybe pr_warn(_once)()?

In any case:

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

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