ebtablesAddRemoveRule, iptablesAddRemoveRule: don't skip va_end

* src/util/ebtables.c (ebtablesAddRemoveRule): Don't skip
va_end(args) on an error path.
* src/util/iptables.c (iptablesAddRemoveRule): Identical change.

src/util/ebtables.c

@@ -210,9 +210,12 @@ ebtablesAddRemoveRule(ebtRules *rules, int action, const char *arg, ...)
 
     va_start(args, arg);
 
-    while ((s = va_arg(args, const char *)))
-        if (!(argv[n++] = strdup(s)))
+    while ((s = va_arg(args, const char *))) {
+        if (!(argv[n++] = strdup(s))) {
+            va_end(args);
             goto error;
+        }
+    }
 
     va_end(args);
 

src/util/iptables.c

@@ -137,9 +137,12 @@ iptablesAddRemoveRule(iptRules *rules, int action, const char *arg, ...)
 
     va_start(args, arg);
 
-    while ((s = va_arg(args, const char *)))
-        if (!(argv[n++] = strdup(s)))
+    while ((s = va_arg(args, const char *))) {
+        if (!(argv[n++] = strdup(s))) {
+            va_end(args);
             goto error;
+        }
+    }
 
     va_end(args);