From fb7cebb767fafcdf94c3930a2ef413203ebdd850 Mon Sep 17 00:00:00 2001
From: Gerhard Stenzel <gerhard.stenzel@de.ibm.com>
Date: Tue, 24 Nov 2009 11:25:16 +0100
Subject: [PATCH] remove port filter when network device is detached

* src/qemu/qemu_driver.c: remove the port filter if the network device
  is detached via virDomainDetachDevice.
---
 src/qemu/qemu_driver.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 2c5086b558..356e4e7c49 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -5284,6 +5284,17 @@ qemudDomainDetachNetDevice(virConnectPtr conn,
     }
     qemuDomainObjExitMonitorWithDriver(driver, vm);
 
+    if ((driver->macFilter) && (detach->ifname != NULL)) {
+        if ((errno = networkDisallowMacOnPort(conn,
+                                              driver,
+                                              detach->ifname,
+                                              detach->mac))) {
+            virReportSystemError(conn, errno,
+             _("failed to remove ebtables rule on  '%s'"),
+                                 detach->ifname);
+        }
+    }
+
     if (vm->def->nnets > 1) {
         memmove(vm->def->nets + i,
                 vm->def->nets + i + 1,
-- 
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