[libvirt] [PATCH 2/2] qemu: qemuProcessDetectIOThreadPIDs invert checks

[John Ferlan]

If we received zero iothreads from the monitor, but were perhaps
expecting to receive something, then the code was skipping the check
to ensure what's in the monitor matches our expectations.  So invert
the checks to check that what we get back matches expectations and
then check there are zero iothreads returned

Signed-off-by: John Ferlan <jferlan at redhat.com>
---
 src/qemu/qemu_process.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index f06ec56..d8a747c 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -2233,12 +2233,6 @@ qemuProcessDetectIOThreadPIDs(virQEMUDriverPtr driver,
     if (niothreads < 0)
         goto cleanup;
 
-    /* Nothing to do */
-    if (niothreads == 0) {
-        ret = 0;
-        goto cleanup;
-    }
-
     if (niothreads != vm->def->iothreads) {
         virReportError(VIR_ERR_INTERNAL_ERROR,
                        _("got wrong number of IOThread pids from QEMU monitor. "
@@ -2247,6 +2241,12 @@ qemuProcessDetectIOThreadPIDs(virQEMUDriverPtr driver,
         goto cleanup;
     }
 
+    /* Nothing to do */
+    if (niothreads == 0) {
+        ret = 0;
+        goto cleanup;
+    }
+
     for (i = 0; i < niothreads; i++) {
         virDomainIOThreadIDDefPtr iothrid;
 
-- 
2.1.0