linux-kernel - Re: [PATCH] usb/core/devio.c: Check for printer class specific request

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Date:	Tue, 27 Sep 2011 01:24:07 +0200
From:	Matthias Dellweg <2500@....de>
To:	Greg KH <greg@...ah.com>
Cc:	Alan Stern <stern@...land.harvard.edu>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb/core/devio.c: Check for printer class specific
 request

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

> On Sun, Sep 25, 2011 at 02:46:51PM +0200, Matthias Dellweg wrote:
> > From: Matthias Dellweg <2500@....de>
> > 
> > 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@...land.harvard.edu>
> > Signed-off-by: Matthias Dellweg <2500@....de>
> > Cc: stable <stable@...nel.org>
> > ---
> >  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
View attachment "0001-usb-core-devio.c-Check-for-printer-class-specific-re.patch" of type "text/x-patch" (2581 bytes)