From 25b37e2f0481e5e71e0c9c89827823affd50dd77 Mon Sep 17 00:00:00 2001
From: Alexander Morozov <lk4d4@docker.com>
Date: Mon, 16 Nov 2015 12:02:35 -0800
Subject: [PATCH] graph/graph.go: simplify appending to slice in map in
 byParent

Signed-off-by: Alexander Morozov <lk4d4@docker.com>
---
 graph/graph.go | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/graph/graph.go b/graph/graph.go
index 8315fbc6df..4f77f02f69 100644
--- a/graph/graph.go
+++ b/graph/graph.go
@@ -477,11 +477,7 @@ func (graph *Graph) ByParent() map[string][]*image.Image {
 		if err != nil {
 			return
 		}
-		if children, exists := byParent[parent.ID]; exists {
-			byParent[parent.ID] = append(children, img)
-		} else {
-			byParent[parent.ID] = []*image.Image{img}
-		}
+		byParent[parent.ID] = append(byParent[parent.ID], img)
 	})
 	return byParent
 }