linux-kernel - Re: try_module_get code understanding

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Message-ID: <20070927071112.GB7966@osiris.boeblingen.de.ibm.com>
Date:	Thu, 27 Sep 2007 09:11:12 +0200
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	Shreyansh Jain <shreyansh.jain@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: try_module_get code understanding

> 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.
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