qemu: Need to check for capability before query

Prior to trying the query-iothreads call - check if the qemu has
the capability

Signed-off-by: John Ferlan <jferlan@redhat.com>

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index daca7c1fb1aee113e522d056006b1917062bf152..f39174355c73200d110f49647dcedf906a905d0f 100644 (file)
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -2105,6 +2105,9 @@ qemuProcessDetectIOThreadPIDs(virQEMUDriverPtr driver,
     int ret = -1;
     size_t i;
 
+    if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_OBJECT_IOTHREAD))
+        return 0;
+
     /* Get the list of IOThreads from qemu */
     if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) < 0)
         goto cleanup;