diff options
| -rw-r--r-- | net/bluetooth/l2cap.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index f0441b0b0335..6094870d5d2a 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -1912,6 +1912,11 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us break; } + if (opts.txwin_size > L2CAP_DEFAULT_TX_WINDOW) { + err = -EINVAL; + break; + } + l2cap_pi(sk)->mode = opts.mode; switch (l2cap_pi(sk)->mode) { case L2CAP_MODE_BASIC: |