From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
---
net/bluetooth/l2cap_core.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index bb6d35e..0cef677 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -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);
}
--
1.8.3.1
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