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Date: Thu, 27 Sep 2007 09:11:12 +0200
From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Shreyansh Jain <shreyansh.jain@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: try_module_get code understanding
Message-ID: <20070927071112.GB7966@osiris.boeblingen.de.ibm.com>
References: <loom.20070927T051622-501@post.gmane.org> <20070927061304.GA7966@osiris.boeblingen.de.ibm.com> <loom.20070927T061840-329@post.gmane.org>
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> Then what is return value if my module tries to 'get' a module which does not
> exist (and is a module, not in-built)? . Is it '1' ?
> Or am I imagining a hypothetical scenario which would not exist?

That is not supposed to happen. After a module got unloaded there shouldn't
be any objects around anymore that have an .owner member with an address that
points to the now non-existent module.