virMACMapHashDumper: Refactor array addition

Use automatic memory freeing and don't check return value of
virJSONValueNewString as it can't fail.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>

diff --git a/src/util/virmacmap.c b/src/util/virmacmap.c
index 521ab89b5bd0c314e60d23753134871c1bad74b1..12df32593370732d033988096e47ad58d49c5f1b 100644 (file)
--- a/src/util/virmacmap.c
+++ b/src/util/virmacmap.c
@@ -214,13 +214,11 @@ virMACMapHashDumper(void *payload,
     GSList *next;
 
     for (next = macs; next; next = next->next) {
-        virJSONValuePtr m = virJSONValueNewString((const char *) next->data);
+        g_autoptr(virJSONValue) m = virJSONValueNewString((const char *) next->data);
 
-        if (!m ||
-            virJSONValueArrayAppend(arr, m) < 0) {
-            virJSONValueFree(m);
+        if (virJSONValueArrayAppend(arr, m) < 0)
             return -1;
-        }
+        m = NULL;
     }
 
     if (virJSONValueObjectAppendString(obj, "domain", name) < 0 ||