Allocate a one larger bitmap rather than shifting the indexes back to
zero.
---
 src/qemu/qemu_process.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index bd715b1..b40daee 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -4772,7 +4772,7 @@ qemuProcessValidateHotpluggableVcpus(virDomainDefPtr def)
     virBitmapPtr ordermap = NULL;
     int ret = -1;

-    if (!(ordermap = virBitmapNew(maxvcpus)))
+    if (!(ordermap = virBitmapNew(maxvcpus + 1)))
         goto cleanup;

     /* validate:
@@ -4789,13 +4789,13 @@ qemuProcessValidateHotpluggableVcpus(virDomainDefPtr 
def)
             continue;

         if (vcpu->order != 0) {
-            if (virBitmapIsBitSet(ordermap, vcpu->order - 1)) {
+            if (virBitmapIsBitSet(ordermap, vcpu->order)) {
                 virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                                _("duplicate vcpu order '%u'"), vcpu->order);
                 goto cleanup;
             }

-            ignore_value(virBitmapSetBit(ordermap, vcpu->order - 1));
+            ignore_value(virBitmapSetBit(ordermap, vcpu->order));
         }


-- 
2.10.0

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