conf: virDomainDefMaybeAddController tweak return code

Previously the function returned either -1 in case of an error or 0 on
success. However, we should also distinguish between a case we
successfully added a controller and a case there wasn't a need to add any
controller

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 8792f5ee7098c2bedc0c4280aeb11a38ccda35a8..9ff38195cb66f53d0c3c92c75a2a9c9c849cf5ac 100644 (file)
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -12416,7 +12416,7 @@ virDomainDefMaybeAddController(virDomainDefPtr def,
         return -1;
     }
 
-    return 0;
+    return 1;
 }