func resourceAwsS3BucketPolicyUpdate(s3conn *s3.S3, d *schema.ResourceData) error {
	bucket := d.Get("bucket").(string)
	policy := d.Get("policy").(string)

	if policy != "" {
		log.Printf("[DEBUG] S3 bucket: %s, put policy: %s", bucket, policy)

		_, err := s3conn.PutBucketPolicy(&s3.PutBucketPolicyInput{
			Bucket: aws.String(bucket),
			Policy: aws.String(policy),
		})

		if err != nil {
			return fmt.Errorf("Error putting S3 policy: %s", err)
		}
	} else {
		log.Printf("[DEBUG] S3 bucket: %s, delete policy: %s", bucket, policy)
		_, err := s3conn.DeleteBucketPolicy(&s3.DeleteBucketPolicyInput{
			Bucket: aws.String(bucket),
		})

		if err != nil {
			return fmt.Errorf("Error deleting S3 policy: %s", err)
		}
	}

	return nil
}
func resourceAwsS3BucketPolicyUpdate(s3conn *s3.S3, d *schema.ResourceData) error {
	bucket := d.Get("bucket").(string)
	policy := d.Get("policy").(string)

	if policy != "" {
		log.Printf("[DEBUG] S3 bucket: %s, put policy: %s", bucket, policy)

		params := &s3.PutBucketPolicyInput{
			Bucket: aws.String(bucket),
			Policy: aws.String(policy),
		}

		err := resource.Retry(1*time.Minute, func() error {
			if _, err := s3conn.PutBucketPolicy(params); err != nil {
				if awserr, ok := err.(awserr.Error); ok {
					if awserr.Code() == "MalformedPolicy" {
						// Retryable
						return awserr
					}
				}
				// Not retryable
				return resource.RetryError{Err: err}
			}
			// No error
			return nil
		})

		if err != nil {
			return fmt.Errorf("Error putting S3 policy: %s", err)
		}
	} else {
		log.Printf("[DEBUG] S3 bucket: %s, delete policy: %s", bucket, policy)
		_, err := s3conn.DeleteBucketPolicy(&s3.DeleteBucketPolicyInput{
			Bucket: aws.String(bucket),
		})

		if err != nil {
			return fmt.Errorf("Error deleting S3 policy: %s", err)
		}
	}

	return nil
}