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Bluetooth: Don't check encryption for L2CAP raw sockets

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For L2CAP sockets with medium and high security requirement a missing
encryption will enforce the closing of the link. For the L2CAP raw
sockets this is not needed, so skip that check.

This fixes a crash when pairing Bluetooth 2.0 (and earlier) devices
since the L2CAP state machine got confused and then locked up the whole
system.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann 2009-02-04 21:07:19 +01:00
parent 43c2e57f94
commit 255c76014a
1 changed files with 3 additions and 0 deletions
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3
net/bluetooth/l2cap.c
View file

@ -2420,6 +2420,9 @@ static int l2cap_disconn_ind(struct hci_conn *hcon, u8 reason)
static inline void l2cap_check_encryption(struct sock *sk, u8 encrypt)
{
if (sk->sk_type != SOCK_SEQPACKET)
return;
if (encrypt == 0x00) {
if (l2cap_pi(sk)->sec_level == BT_SECURITY_MEDIUM) {
l2cap_sock_clear_timer(sk);