linux-kernel - [PATCH] Bluetooth: 6LoWPAN: add missing hci_dev_put() in get_l2cap

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Message-ID: <20221109093726.3132203-1-bobo.shaobowang@huawei.com>
Date:   Wed, 9 Nov 2022 17:37:26 +0800
From:   Wang ShaoBo <bobo.shaobowang@...wei.com>
To:     unlisted-recipients:; (no To-header on input)
CC:     <marcel@...tmann.org>, <kuba@...nel.org>, <liwei391@...wei.com>,
        <linux-bluetooth@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] Bluetooth: 6LoWPAN: add missing hci_dev_put() in get_l2cap_conn()

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@...wei.com>
---
 net/bluetooth/6lowpan.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 215af9b3b589..c57d643afb10 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -972,6 +972,7 @@ 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;
-- 
2.25.1