diff options
Diffstat (limited to 'net/bluetooth/hci_sock.c')
| -rw-r--r-- | net/bluetooth/hci_sock.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 33b3c0ffc339..06581223238c 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -869,7 +869,8 @@ static int hci_sock_release(struct socket *sock) hdev = hci_pi(sk)->hdev; if (hdev) { - if (hci_pi(sk)->channel == HCI_CHANNEL_USER) { + if (hci_pi(sk)->channel == HCI_CHANNEL_USER && + !hci_dev_test_flag(hdev, HCI_UNREGISTER)) { /* When releasing a user channel exclusive access, * call hci_dev_do_close directly instead of calling * hci_dev_close to ensure the exclusive access will @@ -878,6 +879,11 @@ static int hci_sock_release(struct socket *sock) * The checking of HCI_AUTO_OFF is not needed in this * case since it will have been cleared already when * opening the user channel. + * + * Make sure to also check that we haven't already + * unregistered since all the cleanup will have already + * been complete and hdev will get released when we put + * below. */ hci_dev_do_close(hdev); hci_dev_clear_flag(hdev, HCI_USER_CHANNEL); @@ -1453,7 +1459,6 @@ static void hci_sock_cmsg(struct sock *sk, struct msghdr *msg, static int hci_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len, int flags) { - int noblock = flags & MSG_DONTWAIT; struct sock *sk = sock->sk; struct sk_buff *skb; int copied, err; @@ -1470,7 +1475,7 @@ static int hci_sock_recvmsg(struct socket *sock, struct msghdr *msg, if (sk->sk_state == BT_CLOSED) return 0; - skb = skb_recv_datagram(sk, flags, noblock, &err); + skb = skb_recv_datagram(sk, flags, &err); if (!skb) return err; @@ -2057,6 +2062,7 @@ static int hci_sock_getsockopt(struct socket *sock, int level, int optname, static void hci_sock_destruct(struct sock *sk) { + mgmt_cleanup(sk); skb_queue_purge(&sk->sk_receive_queue); skb_queue_purge(&sk->sk_write_queue); } |