Re: device model documentation 3/3

[Greg KH]

On Wed, Jun 05, 2002 at 04:24:18PM +0200, Arnd Bergmann wrote:
> On Tue Jun 04 2002 - 11:25:19 EST,
> Patrick Mochel <[e-mail]> wrote:
> 
> > When a driver is removed, the list of devices that it supports is 
> > iterated over, and the driver's remove callback is called for each 
> > one. The device is removed from that list and the symlinks removed. 
> 
> Maybe I'm blind, but I can't see how this works without races for
> bridge device drivers. Imagine for example what happens when I rmmod
> a usb hcd driver. Its module use count should be zero as long as the 
> devices attached to it are not in use, right?

A USB HCD driver module use count is always zero, so you can always
unload it.  Now if this is a good idea or not is debatable :)

thanks,

greg k-h