1 files changed, 4 insertions, 2 deletions

diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index bfc9a35bad33..1dae3dfc66a9 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -665,7 +665,8 @@ static int hci_sock_dev_event(struct notifier_block *this, unsigned long event,
                 /* Detach sockets from device */
                 read_lock(&hci_sk_list.lock);
                 sk_for_each(sk, node, &hci_sk_list.head) {
-                        lock_sock(sk);
+                        local_bh_disable();
+                        bh_lock_sock_nested(sk);
                         if (hci_pi(sk)->hdev == hdev) {
                                 hci_pi(sk)->hdev = NULL;
                                 sk->sk_err = EPIPE;
@@ -674,7 +675,8 @@ static int hci_sock_dev_event(struct notifier_block *this, unsigned long event,
 
                                 hci_dev_put(hdev);
                         }
-                        release_sock(sk);
+                        bh_unlock_sock(sk);
+                        local_bh_enable();
                 }
                 read_unlock(&hci_sk_list.lock);
         }