On Nov 30 2016 or thereabouts, Rasmus Villemoes wrote:
> We have the %pU printf extension for doing exactly this. Saves some
> .text, and is likely also a little faster.
>
> Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
> ---
> drivers/hid/intel-ish-hid/ishtp/bus.c | 9 +--------
> 1 file changed, 1 insertion(+), 8 deletions(-)
>
> diff --git a/drivers/hid/intel-ish-hid/ishtp/bus.c b/drivers/hid/intel-ish-hid/ishtp/bus.c
> index 256521509d20..f4cbc744e657 100644
> --- a/drivers/hid/intel-ish-hid/ishtp/bus.c
> +++ b/drivers/hid/intel-ish-hid/ishtp/bus.c
> @@ -585,14 +585,7 @@ int ishtp_bus_new_client(struct ishtp_device *dev)
> */
> i = dev->fw_client_presentation_num - 1;
> device_uuid = dev->fw_clients[i].props.protocol_name;
> - dev_name = kasprintf(GFP_KERNEL,
> - "{%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
> - device_uuid.b[3], device_uuid.b[2], device_uuid.b[1],
> - device_uuid.b[0], device_uuid.b[5], device_uuid.b[4],
> - device_uuid.b[7], device_uuid.b[6], device_uuid.b[8],
> - device_uuid.b[9], device_uuid.b[10], device_uuid.b[11],
> - device_uuid.b[12], device_uuid.b[13], device_uuid.b[14],
> - device_uuid.b[15]);
> + dev_name = kasprintf(GFP_KERNEL, "{%pUL}", device_uuid.b);
> if (!dev_name)
> return -ENOMEM;
>
> --
> 2.1.4
>
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