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Bluetooth: Fix CID initialization for fixed channels

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Fixed channels have the same source and destination CID. Ensure that the
values get properly initialized when receiving incoming connections and
deriving values from the parent socket.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-01-25 17:10:09 -05:00
parent e0c888ad73
commit 7a8e5a31ec
2 changed files with 5 additions and 2 deletions
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2
net/bluetooth/l2cap_core.c
View File

@ -1462,8 +1462,6 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
if (!chan)
goto clean;
chan->dcid = L2CAP_CID_ATT;
bacpy(&chan->src, &hcon->src);
bacpy(&chan->dst, &hcon->dst);
chan->src_type = bdaddr_type(hcon, hcon->src_type);

5
net/bluetooth/l2cap_sock.c
View File

@ -1470,6 +1470,11 @@ static void l2cap_sock_init(struct sock *sk, struct sock *parent)
chan->tx_credits = pchan->tx_credits;
chan->rx_credits = pchan->rx_credits;
if (chan->chan_type == L2CAP_CHAN_FIXED) {
chan->scid = pchan->scid;
chan->dcid = pchan->scid;
}
security_sk_clone(parent, sk);
} else {
switch (sk->sk_type) {