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Bluetooth: Use bt_cb(skb)->chan to send raw data back 

Instead of accessing skb->sk in L2CAP core we now compare the channel
a skb belongs to and not send it back if the channel is same. This change
removes another struct socket usage from L2CAP core.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
hifive-unleashed-5.1
Gustavo Padovan 2013-10-21 18:22:25 -02:00 committed by Marcel Holtmann
parent 0e790c64f3
commit 7f5396a774
1 changed files with 3 additions and 4 deletions
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7
net/bluetooth/l2cap_core.c
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@ -2813,17 +2813,16 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb)
mutex_lock(&conn->chan_lock);
list_for_each_entry(chan, &conn->chan_l, list) {
struct sock *sk = chan->sk;
if (chan->chan_type != L2CAP_CHAN_RAW)
continue;
/* Don't send frame to the socket it came from */
if (skb->sk == sk)
/* Don't send frame to the channel it came from */
if (bt_cb(skb)->chan == chan)
continue;
nskb = skb_clone(skb, GFP_KERNEL);
if (!nskb)
continue;
if (chan->ops->recv(chan, nskb))
kfree_skb(nskb);
}