Re: [libvirt] [PATCH 4/6] qemu: check if domain is really active when do setvcpus with --live

From: Luyao Huang <lhuang(a)redhat.com&gt; Commit e105dc9 fix setting vcpus for offline domain, but forget check if vm is active when pass VIR_DOMAIN_AFFECT_LIVE flags. # virsh setvcpus test3 4 --live error: Failed to create controller cpu for group: No such file or directory Add a check if we pass VIR_DOMAIN_AFFECT_LIVE flags. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1204006 Signed-off-by: Luyao Huang <lhuang(a)redhat.com&gt; Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com&gt; --- src/qemu/qemu_driver.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 4942712..c4d96bd 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -4881,6 +4881,14 @@ qemuDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus, if (qemuDomainObjBeginJob(driver, vm, QEMU_JOB_MODIFY) < 0) goto cleanup; + if (flags & VIR_DOMAIN_AFFECT_LIVE) { + if (!virDomainObjIsActive(vm)) { + virReportError(VIR_ERR_OPERATION_INVALID, "%s", + _("domain is not running")); + goto endjob; + } + } + if (flags & VIR_DOMAIN_AFFECT_LIVE && !(flags & VIR_DOMAIN_VCPU_GUEST)) { if (virCgroupNewEmulator(priv->cgroup, false, &cgroup_temp) < 0) goto endjob; @@ -4947,12 +4955,6 @@ qemuDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus, if (ncpuinfo < 0) goto endjob; - if (!virDomainObjIsActive(vm)) { - virReportError(VIR_ERR_OPERATION_INVALID, "%s", - _("domain is not running")); - goto endjob; - } - if (qemuAgentUpdateCPUInfo(nvcpus, cpuinfo, ncpuinfo) < 0) goto endjob;