Hi Paul, Am 07.12.2016 um 22:08 schrieb Paul Bolle: > On Wed, 2016-12-07 at 21:57 +0100, Tilman Schmidt wrote: >> Not much of a mess, I reckon. Everything that has been allocated and >> registered up to that point is properly deallocated and unregistered. >> The code just fails to tell the kernel that module initialization has >> failed, so the module remains loaded even though it can never be >> called because it isn't hooked anywhere. That's a nuisance and a >> waste of RAM, but not much more. > > Yes. > > But then the removal of the module, which is the only reasonable thing to do > after all this has happened, seems to trigger a WARN in driver_unregister(). > And it's that WARN that I think requires the entire stable song and dance.
Ah, yes, of course, because driver_unregister() has already been run in the failure path of module_init and is now called a second time. Not sure how much evil that does beyond the WARN, but I agree it's worth investigating. Best regards, Tilman -- Tilman Schmidt E-Mail: til...@imap.cc Bonn, Germany Nous, on a des fleurs et des bougies pour nous protéger.
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