1 files changed, 2 insertions, 0 deletions

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 62055c9a8084..f87691e04dca 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1389,6 +1389,8 @@ static int user_confirm_reply(struct sock *sk, u16 index, unsigned char *data,
         if (!hdev)
                 return cmd_status(sk, index, mgmt_op, ENODEV);
 
+        hci_dev_lock_bh(hdev);
+
         if (!test_bit(HCI_UP, &hdev->flags)) {
                 err = cmd_status(sk, index, mgmt_op, ENETDOWN);
                 goto failed;