netdev - [PATCH 06/18] Bluetooth: Return ENETDOWN when interface is down

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Message-Id: <7e21addcd0ad87696c17409399e56e874931da57.1259865280.git.marcel@holtmann.org>
Date:	Thu,  3 Dec 2009 19:45:43 +0100
From:	Marcel Holtmann <marcel@...tmann.org>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: [PATCH 06/18] 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@...tmann.org>
---
 net/bluetooth/hci_sock.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 1ca5c7c..c3701f3 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;

-- 
1.6.5.2

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