[libvirt] [PATCH] nwfilter: Add missing driver lock in qemu driver

[Stefan Berger]

This adds a missing driver lock in the qemu driver to protect
the list of domains.

Signed-off-by: Stefan Berger <stefanb at us.ibm.com>

---
 src/qemu/qemu_driver.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

Index: libvirt-acl/src/qemu/qemu_driver.c
===================================================================
--- libvirt-acl.orig/src/qemu/qemu_driver.c
+++ libvirt-acl/src/qemu/qemu_driver.c
@@ -11869,11 +11869,15 @@ static virStateDriver qemuStateDriver = 
 };
 
 static int
-qemudVMFilterRebuild(virConnectPtr conn,
+qemudVMFilterRebuild(virConnectPtr conn ATTRIBUTE_UNUSED,
                      virHashIterator iter, void *data)
 {
-    (void)conn;
+    struct qemud_driver *driver = qemu_driver;
+
+    qemuDriverLock(driver);
     virHashForEach(qemu_driver->domains.objs, iter, data);
+    qemuDriverUnlock(driver);
+
     return 0;
 }