From 274781224ee8cb1b4b8c9f6dffa299201680fcc8 Mon Sep 17 00:00:00 2001
From: clint shryock <clint@ctshryock.com>
Date: Thu, 5 Nov 2015 15:25:04 -0600
Subject: [PATCH] provider/aws: fix panic with SNS topic policy if omitted

---
 builtin/providers/aws/resource_aws_sns_topic.go | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/builtin/providers/aws/resource_aws_sns_topic.go b/builtin/providers/aws/resource_aws_sns_topic.go
index 26e98a9b1..b0d6fecf5 100644
--- a/builtin/providers/aws/resource_aws_sns_topic.go
+++ b/builtin/providers/aws/resource_aws_sns_topic.go
@@ -44,13 +44,12 @@ func resourceAwsSnsTopic() *schema.Resource {
 			"policy": &schema.Schema{
 				Type:     schema.TypeString,
 				Optional: true,
-				ForceNew: false,
 				Computed: true,
 				StateFunc: func(v interface{}) string {
-					jsonb := []byte{}
-					if v != nil {
-						jsonb = []byte(v.(string))
+					if v == nil {
+						return ""
 					}
+					jsonb := []byte{}
 					buffer := new(bytes.Buffer)
 					if err := json.Compact(buffer, jsonb); err != nil {
 						log.Printf("[WARN] Error compacting JSON for Policy in SNS Topic")