From 45f78a832bad769932e272f1fbe338a37e71d278 Mon Sep 17 00:00:00 2001
From: mathspanda <mathspanda826@gmail.com>
Date: Wed, 26 Dec 2018 19:39:53 +0800
Subject: [PATCH] Fix nil pointer bug in TaskRun SetDefaults

If apply TaskRun CR without TaskRef field, webhook will panic.

Signed-off-by: mathspanda <mathspanda826@gmail.com>
---
 pkg/apis/pipeline/v1alpha1/taskrun_defaults.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/apis/pipeline/v1alpha1/taskrun_defaults.go b/pkg/apis/pipeline/v1alpha1/taskrun_defaults.go
index d4a74e37e77..9f36349ba10 100644
--- a/pkg/apis/pipeline/v1alpha1/taskrun_defaults.go
+++ b/pkg/apis/pipeline/v1alpha1/taskrun_defaults.go
@@ -21,7 +21,7 @@ func (tr *TaskRun) SetDefaults() {
 }
 
 func (trs *TaskRunSpec) SetDefaults() {
-	if trs.TaskRef.Kind == "" {
+	if trs.TaskRef != nil && trs.TaskRef.Kind == "" {
 		trs.TaskRef.Kind = NamespacedTaskKind
 	}
 }