Bluetooth: Add l2cap_chan_lock
Channel lock will be used to lock L2CAP channels which are locked currently by socket locks. Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Reviewed-by: Ulisses Furquim <ulisses@profusion.mobi> Acked-by: Gustavo F. Padovan <padovan@profusion.mobi> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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@ -497,6 +497,7 @@ struct l2cap_chan {
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void *data;
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struct l2cap_ops *ops;
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struct mutex lock;
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};
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struct l2cap_ops {
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@ -609,6 +610,16 @@ static inline void l2cap_chan_put(struct l2cap_chan *c)
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kfree(c);
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}
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static inline void l2cap_chan_lock(struct l2cap_chan *chan)
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{
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mutex_lock(&chan->lock);
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}
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static inline void l2cap_chan_unlock(struct l2cap_chan *chan)
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{
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mutex_unlock(&chan->lock);
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}
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static inline void l2cap_set_timer(struct l2cap_chan *chan,
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struct delayed_work *work, long timeout)
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{
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@ -247,6 +247,8 @@ struct l2cap_chan *l2cap_chan_create(struct sock *sk)
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if (!chan)
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return NULL;
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mutex_init(&chan->lock);
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chan->sk = sk;
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write_lock(&chan_list_lock);
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