check fields len in dns.go

kubernetes · Aug 14, 2017 · 03a6ffd · 03a6ffd
1 parent 854da22
commit 03a6ffd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/pkg/net/dns/dns.go b/core/pkg/net/dns/dns.go
@@ -42,7 +42,7 @@ func GetSystemNameServers() ([]net.IP, error) {
 			continue
 		}
 		fields := strings.Fields(trimmed)
-		if len(fields) == 0 {
+		if len(fields) < 2 {
 			continue
 		}
 		if fields[0] == "nameserver" {