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[libvirt] [PATCH 1/3] Avoid creating top level cgroups if just querying for existance



When getting the driver/domain cgroup it is possible to specify
whether it should be auto created. If auto-creation was turned
off, libvirt still mistakenly created its own top level cgroup

* src/util/cgroup.c: Honour autocreate flag for top level cgroup
---
 src/util/cgroup.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/util/cgroup.c b/src/util/cgroup.c
index ad0d595..b4c3353 100644
--- a/src/util/cgroup.c
+++ b/src/util/cgroup.c
@@ -519,7 +519,8 @@ err:
 }
 
 static int virCgroupAppRoot(int privileged,
-                            virCgroupPtr *group)
+                            virCgroupPtr *group,
+                            int create)
 {
     virCgroupPtr rootgrp = NULL;
     int rc;
@@ -551,7 +552,7 @@ static int virCgroupAppRoot(int privileged,
     if (rc != 0)
         goto cleanup;
 
-    rc = virCgroupMakeGroup(rootgrp, *group, 1);
+    rc = virCgroupMakeGroup(rootgrp, *group, create);
 
 cleanup:
     virCgroupFree(&rootgrp);
@@ -638,7 +639,7 @@ int virCgroupForDriver(const char *name,
     char *path = NULL;
     virCgroupPtr rootgrp = NULL;
 
-    rc = virCgroupAppRoot(privileged, &rootgrp);
+    rc = virCgroupAppRoot(privileged, &rootgrp, create);
     if (rc != 0)
         goto out;
 
-- 
1.6.6.1


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