Re: [PATCH 2/3] USB: Also check for ->match

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Sat, Jul 25, 2020 at 05:14:10PM +0200, Bastien Nocera wrote:
> On Sat, 2020-07-25 at 10:51 -0400, Alan Stern wrote:
> > On Sat, Jul 25, 2020 at 11:14:07AM +0200, Bastien Nocera wrote:
> > > We only ever used a the ID table matching before, but we should
> > > probably
> > > also support an open-coded match function.
> > > 
> > > Fixes: 88b7381a939de ("USB: Select better matching USB drivers when
> > > available")
> > > Signed-off-by: Bastien Nocera <hadess@hadess.net>
> > > ---
> > >  drivers/usb/core/generic.c | 5 +++--
> > >  1 file changed, 3 insertions(+), 2 deletions(-)
> > > 
> > > diff --git a/drivers/usb/core/generic.c
> > > b/drivers/usb/core/generic.c
> > > index b6f2d4b44754..2b2f1ab6e36a 100644
> > > --- a/drivers/usb/core/generic.c
> > > +++ b/drivers/usb/core/generic.c
> > > @@ -205,8 +205,9 @@ static int __check_usb_generic(struct
> > > device_driver *drv, void *data)
> > >  	udrv = to_usb_device_driver(drv);
> > >  	if (udrv == &usb_generic_driver)
> > >  		return 0;
> > > -
> > > -	return usb_device_match_id(udev, udrv->id_table) != NULL;
> > > +	if (usb_device_match_id(udev, udrv->id_table) != NULL)
> > > +		return 1;
> > > +	return (udrv->match && udrv->match(udev));
> > >  }
> > >  
> > >  static bool usb_generic_driver_match(struct usb_device *udev)
> > 
> > Acked-by: Alan Stern <stern@rowland.harvard.edu>
> > 
> > You know, at some point it would be nice to change the name of this 
> > function.  __check_usb_generic doesn't explain very well what the 
> > function actually does: It checks to see whether the driver is 
> > non-generic and matches the device.  Something like 
> > check_for_non_generic_match would be a lot better.
> 
> Sure. I'll do a follow-up patch unless there's something requiring a
> respin.
> 
> Greg, there's just the typo in this commit message, all the rest was
> ack'ed. Did you want to take care of that typo, or do you want me to
> respin?

Never make me hand-edit a patch, that ensures it will go to the end of
the line :(

ALso, your patches are not showing up as linked to each other, so they
are all over the place in my mailbox.  Please use something like git
send-email or other tools that will properly link them to ensure I can
see them correctly.

thanks,

greg k-h