Dave Peterson <[email protected]> wrote:
>
> - After we unregister a kobject, wait for our kobject release method
> to call complete(). This causes us to wait until the kobject
> reference count reaches 0. Otherwise, a task accessing the EDAC
> sysfs interface can hold the reference count above 0 until after the
> EDAC module has been unloaded. When the reference count finally
> drops to 0, this will result in an attempt to call our release
> method inside the EDAC module after the module has already been
> unloaded.
That's not really the way to do it. If you have all the correct
module_get()s and try_module_get()s and module_put()s in all the right
places, kenrel/module.c:wait_for_zero_refcount() should do this for you.
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