name-rev: avoid leaking memory in the `deref` case

diff --git a/object.c b/object.c
index 67d9a9e2211fc2f6ab5772bfe58e42a2a95e469d..e680d881a45756eb234a80a9909c24a7b146c1f7 100644 (file)
--- a/object.c
+++ b/object.c
@@ -104,9 +104,7 @@ struct object *lookup_object(const unsigned char *sha1)
                 * that we do not need to walk the hash table the next
                 * time we look for it.
                 */
-               struct object *tmp = obj_hash[i];
-               obj_hash[i] = obj_hash[first];
-               obj_hash[first] = tmp;
+               SWAP(obj_hash[i], obj_hash[first]);
        }
        return obj;
 }