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Bluetooth: Don't accept ConfigReq if we aren't in the BT_CONFIG state

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If such event happens we shall reply with a Command Reject, because we are
not expecting any configure request.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Gustavo F. Padovan 2010-06-14 02:26:15 -03:00
parent 09f921f83f
commit df6bd743b6
1 changed files with 7 additions and 1 deletions
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8
net/bluetooth/l2cap.c
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@ -3124,8 +3124,14 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
if (!sk)
return -ENOENT;
if (sk->sk_state == BT_DISCONN)
if (sk->sk_state != BT_CONFIG) {
struct l2cap_cmd_rej rej;
rej.reason = cpu_to_le16(0x0002);
l2cap_send_cmd(conn, cmd->ident, L2CAP_COMMAND_REJ,
sizeof(rej), &rej);
goto unlock;
}
/* Reject if config buffer is too small. */
len = cmd_len - sizeof(*req);