linux-kernel - Re: [PATCH 0/5] firewire: fix crashes in workqueue jobs

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Date:	Sat, 1 Mar 2008 00:17:53 -0500
From:	Jarod Wilson <jwilson@...hat.com>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
Cc:	linux1394-devel@...ts.sourceforge.net,
	Kristian Hoegsberg <krh@...planet.net>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] firewire: fix crashes in workqueue jobs

On Sunday 24 February 2008 12:56:10 pm Stefan Richter wrote:
> Here come 3 fixes + 2 cleanups.
>
>  1/5 firewire: invalid pointers used in fw_card_bm_work
>  2/5 firewire: fix crash in automatic module unloading
>  3/5 firewire: remove superfluous reference counting
>  4/5 firewire: fw-sbp2: fix reference counting
>  5/5 firewire: refactor fw_unit reference counting
>
> The main theme is that the firewire-core module has to stay loaded until
> after all workqueue jobs of the core and of protocol drivers have been
> finished.  This is accomplished by tracking the sum of references to
> instances of fw_device for each card.  (As a side effect, we don't need
> to count references to instances of fw_card anymore.)
>
>  drivers/firewire/fw-card.c        |   99
> ++++++++++++++++---------------------- drivers/firewire/fw-device.c      | 
>  21 ++------
>  drivers/firewire/fw-device.h      |   35 ++++++++++---
>  drivers/firewire/fw-ohci.c        |    8 +--
>  drivers/firewire/fw-sbp2.c        |    9 ++-
>  drivers/firewire/fw-topology.c    |    1
>  drivers/firewire/fw-transaction.h |    6 --
>  7 files changed, 89 insertions(+), 90 deletions(-)

Thumbs up for the whole series, with update 2 of the automatic module 
unloading swapped in for the original.

Signed-off-by: Jarod Wilson <jwilson@...hat.com>


-- 
Jarod Wilson
jwilson@...hat.com
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