From d7a73937eb847a63a3a11c33ea409a8bd0e6efaf Mon Sep 17 00:00:00 2001
From: clint shryock <clint@ctshryock.com>
Date: Mon, 14 Dec 2015 14:41:54 -0600
Subject: [PATCH] provider/aws: Guard against nil DB Parameter vaules

---
 builtin/providers/aws/structure.go | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/builtin/providers/aws/structure.go b/builtin/providers/aws/structure.go
index b5ca83a79..748ecc88b 100644
--- a/builtin/providers/aws/structure.go
+++ b/builtin/providers/aws/structure.go
@@ -399,10 +399,16 @@ func flattenEcsContainerDefinitions(definitions []*ecs.ContainerDefinition) (str
 func flattenParameters(list []*rds.Parameter) []map[string]interface{} {
 	result := make([]map[string]interface{}, 0, len(list))
 	for _, i := range list {
-		result = append(result, map[string]interface{}{
-			"name":  strings.ToLower(*i.ParameterName),
-			"value": strings.ToLower(*i.ParameterValue),
-		})
+		if i.ParameterName != nil {
+			r := make(map[string]interface{})
+			r["name"] = strings.ToLower(*i.ParameterName)
+			// Default empty string, guard against nil parameter values
+			r["value"] = ""
+			if i.ParameterValue != nil {
+				r["value"] = strings.ToLower(*i.ParameterValue)
+			}
+			result = append(result, r)
+		}
 	}
 	return result
 }