Re: [PATCH] usb/core/devio.c: Check for printer class specificrequest

From: Matthias Dellweg
Date: Mon Sep 26 2011 - 19:24:20 EST


Am Mon, 26 Sep 2011 15:34:30 -0700
schrieb Greg KH <greg@xxxxxxxxx>:

> On Sun, Sep 25, 2011 at 02:46:51PM +0200, Matthias Dellweg wrote:
> > From: Matthias Dellweg <2500@xxxxxx>
> >
> > In the usb printer class specific request get_device_id the value of
> > wIndex is (interface << 8 | altsetting) instead of just interface.
> > This enables the detection of some printers with libusb.
> >
> > The hardware I tested this patch with is a Prolific
> > USB->Centronics cable (067b:2305).
> >
> > Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> > Signed-off-by: Matthias Dellweg <2500@xxxxxx>
> > Cc: stable <stable@xxxxxxxxxx>
> > ---
> > drivers/usb/core/devio.c | 21 ++++++++++++++++++---
> > 1 files changed, 18 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
> > index 37518df..1d73709 100644
> > --- a/drivers/usb/core/devio.c
> > +++ b/drivers/usb/core/devio.c
> > @@ -607,9 +607,10 @@ static int findintfep(struct usb_device *dev,
> > unsigned int ep) }
> >
> > static int check_ctrlrecip(struct dev_state *ps, unsigned int
> > requesttype,
> > - unsigned int index)
> > + unsigned int request, unsigned int index)
> > {
> > int ret = 0;
> > + struct usb_host_interface *alt_setting;
> >
> > if (ps->dev->state != USB_STATE_UNAUTHENTICATED
> > && ps->dev->state != USB_STATE_ADDRESS
>
> All of the tabs were stripped out of this email, making it impossible
> to apply it :(
>
> Care to fix this up and resend it so that I can apply it?
>
> thanks,
>
> greg k-h

Again? I mean I'm sorry.
Do you accept it as an attachment?
Matthias Dellweg