Re: [linux-usb-devel] [PATCH 02/02] USB: add dynamic id functionality to USB core

From: Greg KH
Date: Thu Nov 17 2005 - 20:51:29 EST


On Thu, Nov 17, 2005 at 12:19:43PM -0500, Alan Stern wrote:
> On Thu, 17 Nov 2005, Greg KH wrote:
>
> > > > + fields = sscanf(buf, "%x %x", &idVendor, &idProduct);
> > > > + if (fields < 0)
> > > > + return -EINVAL;
> > >
> > > Don't you want to test (fields < 2)?
> >
> > No, it's ok to just specify the vendor, if you want a product of 0 :)
> >
> > PCI does it this way too.
>
> Well, in that case shouldn't you test (fields < 1)?

Yeah, good point. I've also changed it to be < 2, as it doesn't really
make sense to have a product number of 0.

thanks,

greg k-h
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