From bbb9588fdad474e3fe0bb017387bf12ac2aa8625 Mon Sep 17 00:00:00 2001
From: James Bardin <j.bardin@gmail.com>
Date: Wed, 19 Oct 2016 10:06:13 -0400
Subject: [PATCH] Don't assert nil values in convertStringArr

Some of the inputs to this function may not have been validated
---
 resource_compute_target_pool.go | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/resource_compute_target_pool.go b/resource_compute_target_pool.go
index 148c765d..1680be90 100644
--- a/resource_compute_target_pool.go
+++ b/resource_compute_target_pool.go
@@ -89,9 +89,12 @@ func resourceComputeTargetPool() *schema.Resource {
 }
 
 func convertStringArr(ifaceArr []interface{}) []string {
-	arr := make([]string, len(ifaceArr))
-	for i, v := range ifaceArr {
-		arr[i], _ = v.(string)
+	var arr []string
+	for _, v := range ifaceArr {
+		if v == nil {
+			continue
+		}
+		arr = append(arr, v.(string))
 	}
 	return arr
 }