[PATCH v3 7/7] util: vircgroupv2: mark only requested controllers as available

[Pavel Hrdina <phrdina@xxxxxxxxxx>]

When detecting available controllers on host we can be limited by list
of controllers from qemu.conf file.

Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx>
---

Notes:
    Introduced in v3

 src/util/vircgroupv2.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index 348c12d5c6..fd883f3c7f 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -302,15 +302,15 @@ virCgroupV2DetectControllers(virCgroupPtr group,
         group->unified.controllers |= 1 << VIR_CGROUP_CONTROLLER_CPUACCT;
     }
 
+    if (controllers >= 0)
+        group->unified.controllers &= controllers;
+
     for (i = 0; i < VIR_CGROUP_CONTROLLER_LAST; i++)
         VIR_DEBUG("Controller '%s' present=%s",
                   virCgroupV2ControllerTypeToString(i),
                   (group->unified.controllers & 1 << i) ? "yes" : "no");
 
-    if (controllers >= 0)
-        return controllers & group->unified.controllers;
-    else
-        return group->unified.controllers;
+    return group->unified.controllers;
 }
 
 
-- 
2.21.0

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