On Thu, Apr 28, 2005 at 02:36:39PM -0400, Alan Stern wrote:
> Roman, Pat:
> 
> Here is a fix for driver_detach().  It's a little ugly because it avoids
> using the klist iterator, but there's no way around it -- the iterator
> simply can't be made to work here.  Not only does it prevent
> device_release_driver() from calling klist_remove(), but also it prevents
> doing get_device() while holding the klist spinlock.
> 
> With this patch in place, the code in usb_driver_release_interface() 
> doesn't really need to be changed.  However I think it should be.  As it 
> is now, it relies on internal knowledge of how the driver-model core 
> works, namely that dev->knode_driver is released _before_ drv->remove() 
> gets called.  They could easily go the other way around.
> 
> What do you think?

At first glance, this looks sane.  Did you test this code out?  And if
so, care to resend with a Signed-off-by: line?

thanks,

greg k-h


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