Re: [PATCH 6/7] usb: core: reuse kbasename()

From: Greg Kroah-Hartman
Date: Wed Oct 03 2012 - 11:18:26 EST


On Wed, Oct 03, 2012 at 11:27:27AM +0300, Andy Shevchenko wrote:
> On Tue, Oct 2, 2012 at 6:00 PM, Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
>
> > --- a/drivers/usb/core/file.c
> > +++ b/drivers/usb/core/file.c
>
> > @@ -200,14 +200,9 @@ int usb_register_dev(struct usb_interface *intf,
> >
> > /* create a usb class device for this usb interface */
> > snprintf(name, sizeof(name), class_driver->name, minor - minor_base);
> > - temp = strrchr(name, '/');
> > - if (temp && (temp[1] != '\0'))
> I have checked current linux-next, the drivers define .name in the
> usb_class_driver structure as '...%d'.
> So, what is the reason to check for trailing '/' here? Historical
> reasons or there is a (broken/3rd party/etc) driver with it?

I really do not remember why it was done this way, sorry. I have no
problem not doing it anymore, as long as you are willing to fix any
potential bugs that might pop up :)

And no, I don't worry about 3rd party drivers, that shouldn't be an
issue at all here.

greg k-h
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