Fix handling of cpumaps arg to virDomainGetVcpus RPC dispatcher

ChangeLog

+Mon Mar 16 10:30:00 GMT 2009 Daniel P. Berrange <berrange@redhat.com>
+
+	* qemud/remote.c: Don't allocate cpumaps arg if maplength is
+	0, and fix size of cpumaps allocation
+
 Mon Mar 16 10:30:00 GMT 2009 Daniel P. Berrange <berrange@redhat.com>
 
 	* src/storage_driver.c: Don't free storage volume in error

qemud/remote.c

@@ -1475,7 +1475,8 @@ remoteDispatchDomainGetVcpus (struct qemud_server *server ATTRIBUTE_UNUSED,
     /* Allocate buffers to take the results. */
     if (VIR_ALLOC_N(info, args->maxinfo) < 0)
         goto oom;
-    if (VIR_ALLOC_N(cpumaps, args->maxinfo) < 0)
+    if (args->maplen > 0 &&
+        VIR_ALLOC_N(cpumaps, args->maxinfo * args->maplen) < 0)
         goto oom;
 
     info_len = virDomainGetVcpus (dom,