From 64cc7545de4c32deda12cd1c6088b065c0a09592 Mon Sep 17 00:00:00 2001
Message-Id: <64cc7545de4c32deda12cd1c6088b065c0a09592@dist-git>
From: Pavel Hrdina <phrdina@redhat.com>
Date: Mon, 1 Jul 2019 17:07:19 +0200
Subject: [PATCH] vircgroup: introduce virCgroupV2ValidatePlacement
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Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
(cherry picked from commit 9aa8226d866f7a274179bfe900d441cbd2f5ae12)

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1689297

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Message-Id: <db5e4f6695d27deead1d53a7397101e086261039.1561993100.git.phrdina@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
---
 src/util/vircgroupv2.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/util/vircgroupv2.c b/src/util/vircgroupv2.c
index fb1aa2de0a..815d8fca9b 100644
--- a/src/util/vircgroupv2.c
+++ b/src/util/vircgroupv2.c
@@ -206,6 +206,20 @@ virCgroupV2DetectPlacement(virCgroupPtr group,
 }
 
 
+static int
+virCgroupV2ValidatePlacement(virCgroupPtr group,
+                             pid_t pid ATTRIBUTE_UNUSED)
+{
+    if (!group->unified.placement) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       _("Could not find placement for v2 controller"));
+        return -1;
+    }
+
+    return 0;
+}
+
+
 virCgroupBackend virCgroupV2Backend = {
     .type = VIR_CGROUP_BACKEND_TYPE_V2,
 
@@ -215,6 +229,7 @@ virCgroupBackend virCgroupV2Backend = {
     .copyPlacement = virCgroupV2CopyPlacement,
     .detectMounts = virCgroupV2DetectMounts,
     .detectPlacement = virCgroupV2DetectPlacement,
+    .validatePlacement = virCgroupV2ValidatePlacement,
 };
 
 
-- 
2.22.0