From ae769e61f9bb99ce2b165e261fa4ff90090c3001 Mon Sep 17 00:00:00 2001
From: Dmitriy Shelikhov <dmitriy.shelikhov@pagely.com>
Date: Fri, 27 Mar 2020 19:57:22 +0700
Subject: [PATCH] fixing the runtime error: index out of range [0] with length
 0

---
 iputil/geo/geo.go | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/iputil/geo/geo.go b/iputil/geo/geo.go
index 0e01db4..9708936 100644
--- a/iputil/geo/geo.go
+++ b/iputil/geo/geo.go
@@ -106,12 +106,14 @@ func (g *geoip) City(ip net.IP) (City, error) {
 	if c, exists := record.City.Names["en"]; exists {
 		city.Name = c
 	}
-	if c, exists := record.Subdivisions[0].Names["en"]; exists {
-		city.RegionName = c
-	}
-	if record.Subdivisions[0].IsoCode != "" {
-		city.RegionCode = record.Subdivisions[0].IsoCode
-	}
+	if len(record.Subdivisions)>0 {
+		if c, exists := record.Subdivisions[0].Names["en"]; exists {
+			city.RegionName = c
+		}
+		if record.Subdivisions[0].IsoCode != "" {
+			city.RegionCode = record.Subdivisions[0].IsoCode
+		}
+	} 
 	if !math.IsNaN(record.Location.Latitude) {
 		city.Latitude = record.Location.Latitude
 	}