From: Wang ShaoBo <bobo.shaobowang@huawei.com>
Date: Wed, 9 Nov 2022 09:37:26 +0000 (+0800)
Subject: Bluetooth: 6LoWPAN: add missing hci_dev_put() in get_l2cap_conn()
X-Git-Tag: v4.9.336~13
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6f915a03b18579c29c7be5763f8dbf00d5824479;p=thirdparty%2Fkernel%2Fstable.git

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

[ Upstream commit 747da1308bdd5021409974f9180f0d8ece53d142 ]

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

Fixes: 6b8d4a6a0314 ("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 3bfd747aa515b..4a29410f5abc2 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -1119,6 +1119,7 @@ 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;