From e67f06a4ab9d4a659f8bcc2ffe81241b1d3b1191 Mon Sep 17 00:00:00 2001
From: zhengdelun <xszhengdelun@gmail.com>
Date: Tue, 23 Feb 2021 10:26:25 +0800
Subject: [PATCH] Fix GetPropertyRouteData panic

Signed-off-by: zhengdelun <xszhengdelun@gmail.com>
---
 IP4Config.go | 3 +++
 IP6Config.go | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/IP4Config.go b/IP4Config.go
index 242e0f0..5848151 100644
--- a/IP4Config.go
+++ b/IP4Config.go
@@ -222,6 +222,9 @@ func (c *ip4Config) GetPropertyRouteData() ([]IP4RouteData, error) {
 				}
 				route.Metric = uint8(metric)
 			default:
+				if route.AdditionalAttributes == nil {
+					route.AdditionalAttributes = make(map[string]string)
+				}
 				route.AdditionalAttributes[routeDataAttributeName] = routeDataAttribute.String()
 			}
 		}
diff --git a/IP6Config.go b/IP6Config.go
index 8f46acd..88a914a 100644
--- a/IP6Config.go
+++ b/IP6Config.go
@@ -160,6 +160,9 @@ func (c *ip6Config) GetPropertyRouteData() ([]IP6RouteData, error) {
 				}
 				route.Metric = uint8(metric)
 			default:
+				if route.AdditionalAttributes == nil {
+					route.AdditionalAttributes = make(map[string]string)
+				}
 				route.AdditionalAttributes[routeDataAttributeName] = routeDataAttribute.String()
 			}
 		}