Hi Andrei,
* Emeltchenko Andrei <Andrei.Emeltchenko.news@xxxxxxxxx> [2012-02-09 16:17:25 +0200]:
> From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
>
> Channel lock will be used to lock L2CAP channels which are locked
> currently by socket locks.
>
> Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
> Acked-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
> ---
> include/net/bluetooth/l2cap.h | 11 +++++++++++
> net/bluetooth/l2cap_core.c | 2 ++
> 2 files changed, 13 insertions(+), 0 deletions(-)
>
> diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
> index 42fdbb8..f9fe348 100644
> --- a/include/net/bluetooth/l2cap.h
> +++ b/include/net/bluetooth/l2cap.h
> @@ -497,6 +497,7 @@ struct l2cap_chan {
>
> void *data;
> struct l2cap_ops *ops;
> + struct mutex lock;
> };
>
> struct l2cap_ops {
> @@ -609,6 +610,16 @@ static inline void l2cap_chan_put(struct l2cap_chan *c)
> kfree(c);
> }
>
> +static inline void l2cap_chan_lock(struct l2cap_chan *chan)
> +{
> + mutex_lock(&chan->lock);
> +}
> +
> +static inline void l2cap_chan_unlock(struct l2cap_chan *chan)
> +{
> + mutex_unlock(&chan->lock);
> +}
> +
I would call this just l2cap_lock(chan), the shorter the better. We will
always use "chan" in the parameter, so it is easy to understand.
Gustavo
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