Re: [PATCH] HID: intel_ish-hid: use %pUL for uuid formatting

From: Srinivas Pandruvada
Date: Thu Dec 01 2016 - 18:51:19 EST


On Thu, 2016-12-01 at 15:21 +0100, Benjamin Tissoires wrote:
> 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>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>

>
> >
> > ---
> > Âdrivers/hid/intel-ish-hid/ishtp/bus.c | 9 +--------
> > Â1 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)
> > Â Â*/
> > Â i = dev->fw_client_presentation_num - 1;
> > Â 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);
> > Â if (!dev_name)
> > Â return -ENOMEM;
> > Â
> > --Â
> > 2.1.4
> >