From: Andrei Emeltchenko <andrei.emeltchenko.news@gmail.com>
To: Gustavo Padovan <gustavo@padovan.org>
Cc: linux-bluetooth@vger.kernel.org,
Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Subject: Re: [PATCH 09/12] Bluetooth: check for already existent channel before create new one
Date: Fri, 25 May 2012 10:32:19 +0300 [thread overview]
Message-ID: <20120525073217.GE3089@aemeltch-MOBL1> (raw)
In-Reply-To: <1337900389-30915-9-git-send-email-gustavo@padovan.org>
Hi Gustavo,
On Thu, May 24, 2012 at 07:59:49PM -0300, Gustavo Padovan wrote:
> From: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
>
> Move this check to before the channel time creation simplifies the code
> and avoid memory allocation if the channel already exist.
>
> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Acked-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
> ---
> net/bluetooth/l2cap_core.c | 13 ++++---------
> 1 file changed, 4 insertions(+), 9 deletions(-)
>
> diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
> index 7719508..0df7f49 100644
> --- a/net/bluetooth/l2cap_core.c
> +++ b/net/bluetooth/l2cap_core.c
> @@ -3340,21 +3340,16 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
>
> result = L2CAP_CR_NO_MEM;
>
> + /* Check if we already have channel with that dcid */
> + if (__l2cap_get_chan_by_dcid(conn, scid))
> + goto response;
> +
> chan = pchan->ops->new_connection(pchan->data);
> if (!chan)
> goto response;
>
> sk = chan->sk;
>
> - /* Check if we already have channel with that dcid */
> - if (__l2cap_get_chan_by_dcid(conn, scid)) {
> - if (chan->ops->teardown)
> - chan->ops->teardown(chan->data, 0);
> -
> - chan->ops->close(chan->data);
> - goto response;
> - }
> -
> hci_conn_hold(conn->hcon);
>
> bacpy(&bt_sk(sk)->src, conn->src);
> --
> 1.7.10.1
>
> --
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prev parent reply other threads:[~2012-05-25 7:32 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-24 22:59 [PATCH 01/12] Bluetooth: Remove extra l2cap_state_change(BT_CONNECTED) Gustavo Padovan
2012-05-24 22:59 ` [PATCH 02/12] Bluetooth: Move clean up code and set of SOCK_ZAPPED to l2cap_sock.c Gustavo Padovan
2012-05-24 22:59 ` [PATCH 03/12] Bluetooth: Add l2cap_chan->ops->ready() Gustavo Padovan
2012-05-24 22:59 ` [PATCH 04/12] Bluetooth: Use l2cap_chan_ready() in LE path Gustavo Padovan
2012-05-24 22:59 ` [PATCH 05/12] Bluetooth: Use chan->state instead of sk->sk_state Gustavo Padovan
2012-05-24 22:59 ` [PATCH 06/12] Bluetooth: Move check for backlog size to l2cap_sock.c Gustavo Padovan
2012-05-25 7:17 ` Andrei Emeltchenko
2012-05-24 22:59 ` [PATCH 07/12] Bluetooth: Create DEFER_SETUP flag in conf_state Gustavo Padovan
2012-05-24 22:59 ` [PATCH 08/12] Bluetooth: Add chan->ops->defer() Gustavo Padovan
2012-05-25 7:29 ` Andrei Emeltchenko
2012-05-24 22:59 ` [PATCH 09/12] Bluetooth: check for already existent channel before create new one Gustavo Padovan
2012-05-24 23:05 ` [PATCH 10/12] Bluetooth: Move bt_accept_enqueue() call to l2cap_sock.c Gustavo Padovan
2012-05-24 23:05 ` [PATCH 11/12] Bluetooth: Remove parent socket usage from l2cap_core.c Gustavo Padovan
2012-05-24 23:05 ` [PATCH 12/12] Bluetooth: Used void * as parameter in alloc_skb() Gustavo Padovan
2012-05-25 7:32 ` Andrei Emeltchenko [this message]
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