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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>
This commit is contained in:
Jukka Rissanen 2014-06-18 16:37:10 +03:00 committed by Marcel Holtmann
parent 5547e48c09
commit 18d93c1766
1 changed files with 5 additions and 0 deletions
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5
net/bluetooth/6lowpan.c
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@ -100,6 +100,8 @@ static inline bool peer_del(struct lowpan_dev *dev, struct lowpan_peer *peer)
{ {
list_del(&peer->list); list_del(&peer->list);
module_put(THIS_MODULE);
if (atomic_dec_and_test(&dev->peer_count)) { if (atomic_dec_and_test(&dev->peer_count)) {
BT_DBG("last peer"); BT_DBG("last peer");
return true; return true;
@ -752,6 +754,9 @@ static inline void chan_ready_cb(struct l2cap_chan *chan)
} }
} }
if (!try_module_get(THIS_MODULE))
return;
add_peer_chan(chan, dev); add_peer_chan(chan, dev);
ifup(dev->netdev); ifup(dev->netdev);
} }