[PATCH v2 2/4] qemu: Check for niothreads == 0 in qemuSetupCgroupForIOThreads

[John Ferlan <jferlan@xxxxxxxxxx>]

If there are no IOThreads defined, no sense making other checks

Signed-off-by: John Ferlan <jferlan@xxxxxxxxxx>
---
 src/qemu/qemu_cgroup.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/qemu/qemu_cgroup.c b/src/qemu/qemu_cgroup.c
index 570dab5..a8e0b8c 100644
--- a/src/qemu/qemu_cgroup.c
+++ b/src/qemu/qemu_cgroup.c
@@ -1163,6 +1163,9 @@ qemuSetupCgroupForIOThreads(virDomainObjPtr vm)
     char *mem_mask = NULL;
     virDomainNumatuneMemMode mem_mode;
 
+    if (def->niothreadids == 0)
+        return 0;
+
     if ((period || quota) &&
         !virCgroupHasController(priv->cgroup, VIR_CGROUP_CONTROLLER_CPU)) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
-- 
2.1.0

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