Re: [PATCHv2 2/3] usb: gadget: uvc: verify descriptors presence

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Hi Andrzej,

On Sunday 07 December 2014 23:09:42 Laurent Pinchart wrote:
> On Friday 05 December 2014 15:16:35 Andrzej Pietrasiewicz wrote:
> > If the caller of uvc_alloc() does not provide enough
> > descriptors, binding the function should fail, so appropriate
> > code is returned from uvc_copy_descriptors().
> > 
> > uvc_function_bind() is modified accordingly to account for possible
> > errors from uvc_copy_descriptors().
> > 
> > Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
> > ---
> > 
> >  drivers/usb/gadget/function/f_uvc.c | 23 +++++++++++++++++++++--
> >  1 file changed, 21 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/usb/gadget/function/f_uvc.c
> > b/drivers/usb/gadget/function/f_uvc.c index 5b4ab39..b14c599 100644
> > --- a/drivers/usb/gadget/function/f_uvc.c
> > +++ b/drivers/usb/gadget/function/f_uvc.c
> > @@ -508,6 +508,8 @@ uvc_copy_descriptors(struct uvc_device *uvc, enum
> > usb_device_speed speed) uvc_streaming_std = uvc_fs_streaming;
> >  		break;
> >  	}
> 
> Nitpicking, could you please insert a blank line here ?

I just noticed that the blank line is in patch 3/3. Just move it to 2/3 and 
everything will be fine :-)

> With this changed,
> 
> Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> 
> > +	if (!uvc_control_desc || !uvc_streaming_cls)
> > +		return ERR_PTR(-ENODEV);
> > 
> >  	/* Descriptors layout
> >  	 *

-- 
Regards,

Laurent Pinchart

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