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| author |   Jukka Rissanen <jukka.rissanen@linux.intel.com> | 2014-06-18 16:37:10 +0300 |
|---|---|---|
| committer |   Marcel Holtmann <marcel@holtmann.org> | 2014-07-03 17:42:44 +0200 |
| commit | 18d93c176641cf7a3c0c452a6f03f46b5373d370 (patch) | |
| tree | b76fd4e1fb9628ec32662454f51cee99a56e5947 /net/bluetooth/6lowpan.c | |
| parent | Bluetooth: 6LoWPAN: Create a kernel module (diff) | |
| download | linux-dev-18d93c176641cf7a3c0c452a6f03f46b5373d370.tar.xz linux-dev-18d93c176641cf7a3c0c452a6f03f46b5373d370.zip | |
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>
Diffstat (limited to 'net/bluetooth/6lowpan.c')
| -rw-r--r-- | net/bluetooth/6lowpan.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c index ceffe20fcbaa..ba6c64163685 100644 --- a/net/bluetooth/6lowpan.c +++ b/net/bluetooth/6lowpan.c @@ -100,6 +100,8 @@ static inline bool peer_del(struct lowpan_dev *dev, struct lowpan_peer *peer) { list_del(&peer->list); + module_put(THIS_MODULE); + if (atomic_dec_and_test(&dev->peer_count)) { BT_DBG("last peer"); 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); ifup(dev->netdev); } |