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Bluetooth: Add proper handling of received LE data

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Despite it works, handling through l2cap_data_channel() is wrongs.
That function should handle only connection oriented data.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Gustavo F. Padovan 2011-04-07 16:40:25 -03:00
parent 0733119c0b
commit 9f69bda6aa
1 changed files with 34 additions and 0 deletions
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34
net/bluetooth/l2cap_core.c
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@ -3728,6 +3728,36 @@ done:
return 0;
}
static inline int l2cap_att_channel(struct l2cap_conn *conn, __le16 cid, struct sk_buff *skb)
{
struct sock *sk;
sk = l2cap_get_sock_by_scid(0, cid, conn->src);
if (!sk)
goto drop;
bh_lock_sock(sk);
BT_DBG("sk %p, len %d", sk, skb->len);
if (sk->sk_state != BT_BOUND && sk->sk_state != BT_CONNECTED)
goto drop;
if (l2cap_pi(sk)->imtu < skb->len)
goto drop;
if (!sock_queue_rcv_skb(sk, skb))
goto done;
drop:
kfree_skb(skb);
done:
if (sk)
bh_unlock_sock(sk);
return 0;
}
static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
{
struct l2cap_hdr *lh = (void *) skb->data;
@ -3757,6 +3787,10 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
l2cap_conless_channel(conn, psm, skb);
break;
case L2CAP_CID_LE_DATA:
l2cap_att_channel(conn, cid, skb);
break;
default:
l2cap_data_channel(conn, cid, skb);
break;