diff options
Diffstat (limited to 'net/bluetooth/l2cap_sock.c')
| -rw-r--r-- | net/bluetooth/l2cap_sock.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 25f097cb1685..597686790371 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -1029,10 +1029,17 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, break; } - /* Setting is not supported as it's the remote side that - * decides this. - */ - err = -EPERM; + /* Only allow setting output MTU when not connected */ + if (sk->sk_state == BT_CONNECTED) { + err = -EISCONN; + break; + } + + err = copy_safe_from_sockptr(&mtu, sizeof(mtu), optval, optlen); + if (err) + break; + + chan->omtu = mtu; break; case BT_RCVMTU: @@ -1816,6 +1823,7 @@ static void l2cap_sock_destruct(struct sock *sk) skb_queue_purge(&sk->sk_receive_queue); skb_queue_purge(&sk->sk_write_queue); + skb_queue_purge(&sk->sk_error_queue); } static void l2cap_skb_msg_name(struct sk_buff *skb, void *msg_name, |