https://bugzilla.redhat.com/show_bug.cgi?id=1248277 When count <= 0, the client exit without set an error. Signed-off-by: Luyao Huang <lhuang(a)redhat.com&gt; --- v2: - use vshCommandOptUInt to forbid negative number, and check if count is zero. (thanks Peter and Andrea) tools/virsh-domain.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c index 4191548..3f032f4 100644 --- a/tools/virsh-domain.c +++ b/tools/virsh-domain.c @@ -6873,7 +6873,7 @@ static bool cmdSetvcpus(vshControl *ctl, const vshCmd *cmd) { virDomainPtr dom; - int count = 0; + unsigned int count = 0; bool ret = false; bool maximum = vshCommandOptBool(cmd, "maximum"); bool config = vshCommandOptBool(cmd, "config"); @@ -6900,9 +6900,14 @@ cmdSetvcpus(vshControl *ctl, const vshCmd *cmd) if (!(dom = virshCommandOptDomain(ctl, cmd, NULL))) return false; - if (vshCommandOptInt(ctl, cmd, "count", &count) < 0 || count <= 0) + if (vshCommandOptUInt(ctl, cmd, "count", &count) < 0) goto cleanup; + if (count == 0) { + vshError(ctl, _("Can't set 0 processors for a VM")); + goto cleanup; + } + /* none of the options were specified */ if (!current && flags == 0) { if (virDomainSetVcpus(dom, count) != 0) -- 1.8.3.1