Subject: RE: [Bluez-devel] Rfcomm Use Count
From: Marcel Holtmann <marcel@holtmann.org>
To: Daryl Van Vorst <daryl@wideray.com>
Cc: "'BlueZ Mailing List'" <bluez-devel@lists.sourceforge.net>
In-Reply-To: <002d01c4a0cd$a7888b60$1a01010a@baked>
References: <002d01c4a0cd$a7888b60$1a01010a@baked>
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Message-Id: <1095876765.6223.85.camel@pegasus>
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Sender: bluez-devel-admin@lists.sourceforge.net
Errors-To: bluez-devel-admin@lists.sourceforge.net
Date: Wed, 22 Sep 2004 20:12:45 +0200

Hi Daryl,

> I manually applied your patch to my 2.4 kernel, and it seems to work fine. I
> haven't been able to break it yet. Looks good. I will keep trying.

try to test your normal stuff to make sure that it doesn't break
anything else.

> Does this change make the "if (sk->state == BT_CLOSED)" statement in
> bluez_accept_dequeue() redundant?

I think so. Haven't thought about it so far.

> This is important because if somehow a socket is in BT_CLOSED state and is
> in the accept queue during shutdown, then rfcomm_cleanup_listen() can't
> clean it up (because bluez_accept_dequeue() won't return it). I think your
> changes make it impossible for there to ever be an rfcomm socket (or l2cap
> socket) in the BT_CLOSED state in the accept queue. If that's true, then
> this isn't an issue. Thoughts?

Sorry, but I can't follow your point here. Please explain it again.

> Do you think we've covered the case where there are incomming connections
> while things are at various stages of being shut down? I think we're ok, but
> I wanted to bring it up.

Actually I don't know. In general we should be protected against that
with our locking.

Regards

Marcel


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