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@xxxxxxxxxxxxxxx>
---
net/bluetooth/6lowpan.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index debf003..90c64da 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -101,6 +101,8 @@ 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;
@@ -744,6 +746,9 @@ 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);
}
--
1.8.3.1
--
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