qemu: Format <allowReboot> conditionally

If the value is VIR_TRISTATE_BOOL_ABSENT we should just omit
the element entirely.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 1bfea0d47002256e706a70b93fd892537f150a45..39da3cbb627268f9f1de6739befff6518aba450e 100644 (file)
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -2205,9 +2205,10 @@ void
 qemuDomainObjPrivateXMLFormatAllowReboot(virBuffer *buf,
                                          virTristateBool allowReboot)
 {
-    virBufferAsprintf(buf, "<allowReboot value='%s'/>\n",
-                      virTristateBoolTypeToString(allowReboot));
-
+    if (allowReboot) {
+        virBufferAsprintf(buf, "<allowReboot value='%s'/>\n",
+                          virTristateBoolTypeToString(allowReboot));
+    }
 }