From 027a7707bea5ba455212715278e3ae486f97eacb Mon Sep 17 00:00:00 2001
From: Doug Goldstein <cardoe@cardoe.com>
Date: Thu, 27 Jun 2013 20:43:00 -0500
Subject: [PATCH] Allow RO connections to interface udev backend

The udev based interface backend did not allow querying data over a
read-only connection which is different than how the netcf backend
operates. This brings the behavior inline with the default, netcf
backend.
---
 src/interface/interface_backend_udev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/interface/interface_backend_udev.c b/src/interface/interface_backend_udev.c
index 68e1e2f2dd..95034bfd51 100644
--- a/src/interface/interface_backend_udev.c
+++ b/src/interface/interface_backend_udev.c
@@ -139,7 +139,7 @@ udevInterfaceOpen(virConnectPtr conn,
 {
     struct udev_iface_driver *driverState = NULL;
 
-    virCheckFlags(0, VIR_DRV_OPEN_ERROR);
+    virCheckFlags(VIR_CONNECT_RO, VIR_DRV_OPEN_ERROR);
 
     if (VIR_ALLOC(driverState) < 0) {
         virReportOOMError();