On 03/06/2018 10:58 AM, Daniel P. Berrangé wrote:
If max_workers is set to zero, then the worker thread pool won't be
created, so when serializing state for pre-exec we must set various
parameters to zero.

Signed-off-by: Daniel P. Berrangé <berra...@redhat.com>
---
  src/rpc/virnetserver.c | 3 +++
  1 file changed, 3 insertions(+)

Reviewed-by: Jim Fehlig <jfeh...@suse.com>

Regards,
Jim


diff --git a/src/rpc/virnetserver.c b/src/rpc/virnetserver.c
index 7a1376bf49..3ce21a8f53 100644
--- a/src/rpc/virnetserver.c
+++ b/src/rpc/virnetserver.c
@@ -580,18 +580,21 @@ virJSONValuePtr 
virNetServerPreExecRestart(virNetServerPtr srv)
          goto error;
if (virJSONValueObjectAppendNumberUint(object, "min_workers",
+                                           srv->workers == NULL ? 0 :
                                             
virThreadPoolGetMinWorkers(srv->workers)) < 0) {
          virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                         _("Cannot set min_workers data in JSON document"));
          goto error;
      }
      if (virJSONValueObjectAppendNumberUint(object, "max_workers",
+                                           srv->workers == NULL ? 0 :
                                             
virThreadPoolGetMaxWorkers(srv->workers)) < 0) {
          virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                         _("Cannot set max_workers data in JSON document"));
          goto error;
      }
      if (virJSONValueObjectAppendNumberUint(object, "priority_workers",
+                                           srv->workers == NULL ? 0 :
                                             
virThreadPoolGetPriorityWorkers(srv->workers)) < 0) {
          virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                         _("Cannot set priority_workers data in JSON 
document"));


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