Bluetooth: 6LoWPAN: Count module usage
Count how many 6LoWPAN connections there exists so that we do not unload the module if there are still connections alive. Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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@ -100,6 +100,8 @@ static inline bool peer_del(struct lowpan_dev *dev, struct lowpan_peer *peer)
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{
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list_del(&peer->list);
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module_put(THIS_MODULE);
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if (atomic_dec_and_test(&dev->peer_count)) {
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BT_DBG("last peer");
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return true;
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@ -752,6 +754,9 @@ static inline void chan_ready_cb(struct l2cap_chan *chan)
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}
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}
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if (!try_module_get(THIS_MODULE))
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return;
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add_peer_chan(chan, dev);
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ifup(dev->netdev);
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}
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