From: Gustavo F. Padovan <padovan@profusion.mobi>
Date: Thu, 23 Dec 2010 01:00:34 +0000 (-0200)
Subject: Bluetooth: Improve handling of HCI control channel in bind
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=17f9cc3124c97f50a19a7597e5f29f915b5b835c;p=linux-beck.git

Bluetooth: Improve handling of HCI control channel in bind

Does not allow any channel different of HCI_CHANNEL_RAW and
HCI_CHANNEL_CONTROL to bind.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---

diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index f6c18abab797..29827c77f6ce 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -380,7 +380,10 @@ static int hci_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le
 	if (haddr.hci_family != AF_BLUETOOTH)
 		return -EINVAL;
 
-	if (haddr.hci_channel != HCI_CHANNEL_RAW && !enable_mgmt)
+	if (haddr.hci_channel > HCI_CHANNEL_CONTROL)
+		return -EINVAL;
+
+	if (haddr.hci_channel == HCI_CHANNEL_CONTROL && !enable_mgmt)
 		return -EINVAL;
 
 	lock_sock(sk);