From: Marcel Holtmann <marcel@holtmann.org>
Date: Wed, 18 Nov 2009 00:05:00 +0000 (+0100)
Subject: Bluetooth: Return ENETDOWN when interface is down
X-Git-Tag: v2.6.33-rc1~388^2~17^2~12
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=7e21addcd0ad87696c17409399e56e874931da57;p=~emulex%2Finfiniband.git

Bluetooth: Return ENETDOWN when interface is down

Sending commands to a down interface results in a timeout while clearly
it should just return ENETDOWN. When using the ioctls this works fine,
but not when using the HCI sockets sendmsg interface.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---

diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 1ca5c7ca9bd..c3701f37aeb 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -414,6 +414,11 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
 		goto done;
 	}
 
+	if (!test_bit(HCI_UP, &hdev->flags)) {
+		err = -ENETDOWN;
+		goto done;
+	}
+
 	if (!(skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err)))
 		goto done;