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SubjectRe: [v3.11][Regression] HID: hyperv: convert alloc+memcpy to memdup
On Thu, 19 Dec 2013, David Herrmann wrote:

> > diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
> > index 253fe23..81eacd3 100644
> > --- a/drivers/hid/hid-core.c
> > +++ b/drivers/hid/hid-core.c
> > @@ -1334,7 +1334,7 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
> > csize--;
> > }
> >
> > - rsize = ((report->size - 1) >> 3) + 1;
> > + rsize = ((report->size - 1) >> 3) + 1 + (report->id > 0) + 7;
>
> Isn't "report->id" already covered by "if (report_enum->numbered)"
> above? The test for "id > 0" won't work here as in this case
> "report_enum->numbered" must already be set to true by the hid-desc
> parser, doesn't it?

Right, that one is not correct here, thanks.

> Where exactly did you get the +7 from?

Please see commit (the one I am not really proud of) 27ce405039bfe6d3.

--
Jiri Kosina
SUSE Labs


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