From 779efbce6ad81851dc874f5418ca3195f902699b Mon Sep 17 00:00:00 2001
From: Samuel Karp <skarp@amazon.com>
Date: Fri, 9 Jun 2017 11:20:52 -0700
Subject: [PATCH] containerd: nil-check before calling io.Close

Signed-off-by: Samuel Karp <skarp@amazon.com>
---
 task.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/task.go b/task.go
index 7d776a16d..d710b7e81 100644
--- a/task.go
+++ b/task.go
@@ -156,7 +156,10 @@ func (t *task) Wait(ctx context.Context) (uint32, error) {
 // it returns the exit status of the task and any errors that were encountered
 // during cleanup
 func (t *task) Delete(ctx context.Context) (uint32, error) {
-	cerr := t.io.Close()
+	var cerr error
+	if t.io != nil {
+		cerr = t.io.Close()
+	}
 	r, err := t.client.TaskService().Delete(ctx, &execution.DeleteRequest{
 		ContainerID: t.containerID,
 	})