* [PATCH] Bluetooth: SMP packets are only valid on LE connections
@ 2013-10-03 7:00 Marcel Holtmann
2013-10-03 7:10 ` Johan Hedberg
0 siblings, 1 reply; 2+ messages in thread
From: Marcel Holtmann @ 2013-10-03 7:00 UTC (permalink / raw)
To: linux-bluetooth
When receiving SMP packets on a BR/EDR connection, then just drop
the packet and do not try to process it.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
net/bluetooth/smp.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index b5562ab..6e049497 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -847,10 +847,16 @@ static int smp_cmd_master_ident(struct l2cap_conn *conn, struct sk_buff *skb)
int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb)
{
+ struct hci_conn *hcon = conn->hcon;
__u8 code = skb->data[0];
__u8 reason;
int err = 0;
+ if (hcon->type != LE_LINK) {
+ kfree_skb(skb);
+ return -ENOTSUPP;
+ }
+
if (!test_bit(HCI_LE_ENABLED, &conn->hcon->hdev->dev_flags)) {
err = -ENOTSUPP;
reason = SMP_PAIRING_NOTSUPP;
--
1.8.3.1
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