Bluetooth: 6LoWPAN: add missing hci_dev_put() in get_l2cap_conn()

[ Upstream commit 81b3d78956540ff26449ee1843838c5374d1b9d7 ]

hci_get_route() takes reference, we should use hci_dev_put() to release
it when not need anymore.

Fixes: 627604f9ba60 ("Bluetooth: 6LoWPAN: Use connected oriented channel instead of fixed one")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 52fb6d6d6d5856d56f08270e0368f70466cc6dd1..bccad8c048dada8aca51e7bd5c3aceec9f85fa16 100644 (file)
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -1002,6 +1002,7 @@ static int get_l2cap_conn(char *buf, bdaddr_t *addr, u8 *addr_type,
        hci_dev_lock(hdev);
        hcon = hci_conn_hash_lookup_le(hdev, addr, *addr_type);
        hci_dev_unlock(hdev);
+       hci_dev_put(hdev);
 
        if (!hcon)
                return -ENOENT;