Return-Path: Date: Wed, 23 May 2012 10:49:57 +0300 From: Andrei Emeltchenko To: Mat Martineau Cc: linux-bluetooth@vger.kernel.org, pkrystad@codeaurora.org Subject: Re: [PATCHv1 01/17] Bluetooth: A2MP: Create A2MP channel Message-ID: <20120523074950.GA32022@aemeltch-MOBL1> References: <1337351150-20526-1-git-send-email-Andrei.Emeltchenko.news@gmail.com> <1337351150-20526-2-git-send-email-Andrei.Emeltchenko.news@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Hi Mat, On Tue, May 22, 2012 at 10:45:07AM -0700, Mat Martineau wrote: > >+static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn) > >+{ > >+ struct l2cap_chan *chan; > >+ > >+ chan = l2cap_chan_create(); > >+ if (!chan) > >+ return NULL; > >+ > >+ BT_DBG("chan %p", chan); > >+ > >+ hci_conn_hold(conn->hcon); > > Holding the hcon will keep the ACL open after all of the other L2CAP > channels have closed (unless I missed some code later in the patch > series). The A2MP fixed channel should not keep the ACL open. If > the connection is not held here, then there shouldn't be a put in > l2cap_chan_del for the A2MP channel either. l2cap_chan_del makes hci_conn_put, also for a2mp channel. The behavior is the same for fixed and normal channels. Best regards Andrei Emeltchenko