[libvirt] [PATCH 6/6] uml: conf: use VIR_AUTOCLOSE instead of VIR_FORCE_CLOSE

[Shi Lei]

By making use of GNU C's cleanup attribute handled by the VIR_AUTOCLOSE macro,
many of the VIR_FORCE_CLOSE calls can be dropped, which in turn leads to
getting rid of many of our cleanup sections.
    
Signed-off-by: Shi Lei <shi_lei at massclouds.com>
---
 src/uml/uml_conf.c | 13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/src/uml/uml_conf.c b/src/uml/uml_conf.c
index f116e61..da0dc69 100644
--- a/src/uml/uml_conf.c
+++ b/src/uml/uml_conf.c
@@ -112,14 +112,14 @@ umlConnectTapDevice(virDomainDefPtr vm,
                     const char *bridge)
 {
     bool template_ifname = false;
-    int tapfd = -1;
+    VIR_AUTOCLOSE(tapfd);
 
     if (!net->ifname ||
         STRPREFIX(net->ifname, VIR_NET_GENERATED_TAP_PREFIX) ||
         strchr(net->ifname, '%')) {
         VIR_FREE(net->ifname);
         if (VIR_STRDUP(net->ifname, VIR_NET_GENERATED_TAP_PREFIX "%d") < 0)
-            goto error;
+            return -1;
         /* avoid exposing vnet%d in getXMLDesc or error outputs */
         template_ifname = true;
     }
@@ -133,23 +133,18 @@ umlConnectTapDevice(virDomainDefPtr vm,
                                        VIR_NETDEV_TAP_CREATE_PERSIST) < 0) {
         if (template_ifname)
             VIR_FREE(net->ifname);
-        goto error;
+        return -1;
     }
 
     if (net->filter) {
         if (virDomainConfNWFilterInstantiate(vm->name, vm->uuid, net, false) < 0) {
             if (template_ifname)
                 VIR_FREE(net->ifname);
-            goto error;
+            return -1;
         }
     }
 
-    VIR_FORCE_CLOSE(tapfd);
     return 0;
-
- error:
-    VIR_FORCE_CLOSE(tapfd);
-    return -1;
 }
 
 static char *
-- 
2.17.1