From: Krzysztof Mazur <krzysiek@podlesie.net>
Date: Tue, 6 Nov 2012 22:16:57 +0000 (+0100)
Subject: atm: add owner of push() callback to atmvcc
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~45^2~138^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ec809bd817dfa1905283468e4c813684ed4efe78;p=pandora-kernel.git

atm: add owner of push() callback to atmvcc

The atm is using atmvcc->push(vcc, NULL) callback to notify protocol
that vcc will be closed and protocol must detach from it. This callback
is usually used by protocol to decrement module usage count by module_put(),
but it leaves small window then module is still used after module_put().

Now the owner of push() callback is kept in atmvcc and
module_put(atmvcc->owner) is called after the protocol is detached from vcc.

Signed-off-by: Krzysztof Mazur <krzysiek@podlesie.net>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Acked-by: Chas Williams <chas@cmf.nrl.navy.mil>
---

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