Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 11 Mar 2003 02:04:20 +0100 (CET) | From | Roman Zippel <> | Subject | Re: PCI driver module unload race? |
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Hi,
On Mon, 10 Mar 2003, Greg KH wrote:
> > It seems that the semaphore in bus_add_device() makes this unnecessary. > > Hm, yes. I think you are correct. > > So this patch is not needed, and the struct module * can be ripped out > of struct usb_driver too :)
I think it's not easy. I haven't studied the code completely yet, but e.g. when you attach a device to a driver you also have to get a reference to the driver. I think there are more interesting races, e.g. when you create a sysfs symlink, that symlink might also have references to a module.
bye, Roman
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