diff options
Diffstat (limited to 'net/bluetooth/l2cap_sock.c')
| -rw-r--r-- | net/bluetooth/l2cap_sock.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 61e25bafdf43..a20fcc3ddcd9 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -370,6 +370,16 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, switch (optname) { case L2CAP_OPTIONS: + /* LE sockets should use BT_SNDMTU/BT_RCVMTU, but since + * legacy ATT code depends on getsockopt for + * L2CAP_OPTIONS we need to let this pass. + */ + if (bdaddr_type_is_le(chan->src_type) && + chan->scid != L2CAP_CID_ATT) { + err = -EINVAL; + break; + } + memset(&opts, 0, sizeof(opts)); opts.imtu = chan->imtu; opts.omtu = chan->omtu; @@ -564,6 +574,11 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, switch (optname) { case L2CAP_OPTIONS: + if (bdaddr_type_is_le(chan->src_type)) { + err = -EINVAL; + break; + } + if (sk->sk_state == BT_CONNECTED) { err = -EINVAL; break; |