qemu: Check for niothreads == 0 in qemuSetupCgroupForIOThreads

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

diff --git a/src/qemu/qemu_cgroup.c b/src/qemu/qemu_cgroup.c
index 570dab5ee20c5a53824a530c83bf033dc3c17140..a8e0b8caddcead23455aa3fb4c8a966d7f880b86 100644 (file)
--- 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",