From f35cfc66e54fa185488c9cb35a96969d64b5eb86 Mon Sep 17 00:00:00 2001
From: Alfred Landrum <alfred.landrum@docker.com>
Date: Fri, 26 May 2017 12:54:33 -0700
Subject: [PATCH] prevent image prune panic

Signed-off-by: Alfred Landrum <alfred.landrum@docker.com>
Upstream-commit: 32da2a4234c5c68ff466dc1afc91ba98dbbe199a
Component: engine
---
 components/engine/daemon/prune.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/engine/daemon/prune.go b/components/engine/daemon/prune.go
index c614de2fe1..602de618c9 100644
--- a/components/engine/daemon/prune.go
+++ b/components/engine/daemon/prune.go
@@ -216,7 +216,7 @@ func (daemon *Daemon) ImagesPrune(ctx context.Context, pruneFilters filters.Args
 			if !until.IsZero() && img.Created.After(until) {
 				continue
 			}
-			if !matchLabels(pruneFilters, img.Config.Labels) {
+			if img.Config != nil && !matchLabels(pruneFilters, img.Config.Labels) {
 				continue
 			}
 			topImages[id] = img