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Date: Tue, 23 Apr 2002 14:09:21 -0400 (EDT)
From: Alexander Viro <viro@math.psu.edu>
To: Keith Owens <kaos@ocs.com.au>
cc: Linus Torvalds <torvalds@transmeta.com>, linux-kernel@vger.kernel.org
Subject: Re: [RFC] race in request_module() 
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On Tue, 23 Apr 2002, Keith Owens wrote:

>   open /dev/foo
>     request_module(foo)
>       load foo, mark !MOD_USED_ONCE.

Another process:
	open /dev/foo
		MOD_INC_USE_COUNT
		mark MOD_USED_ONCE
	close /dev/foo
		MOD_DEC_USE_COUNT
rmmod -a
	kills module

>     continue with open, MOD_INC_USE_COUNT(foo), mark MOD_USED_ONCE.
			  module not loaded

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