From 680e6bd5c3f1104c1d304171b5e5f78e518b3712 Mon Sep 17 00:00:00 2001
From: Pat Moroney <pat@pat.email>
Date: Tue, 24 Oct 2017 10:34:16 -0600
Subject: [PATCH] move ReadHosts out of the lock

---
 plugin/hosts/hostsfile.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/plugin/hosts/hostsfile.go b/plugin/hosts/hostsfile.go
index d6a5969ab..ca867e203 100644
--- a/plugin/hosts/hostsfile.go
+++ b/plugin/hosts/hostsfile.go
@@ -161,9 +161,9 @@ func ipVersion(s string) int {
 
 // LookupStaticHostV4 looks up the IPv4 addresses for the given host from the hosts file.
 func (h *Hostsfile) LookupStaticHostV4(host string) []net.IP {
+	h.ReadHosts()
 	h.RLock()
 	defer h.RUnlock()
-	h.ReadHosts()
 	if len(h.byNameV4) != 0 {
 		if ips, ok := h.byNameV4[absDomainName(host)]; ok {
 			ipsCp := make([]net.IP, len(ips))
@@ -176,9 +176,9 @@ func (h *Hostsfile) LookupStaticHostV4(host string) []net.IP {
 
 // LookupStaticHostV6 looks up the IPv6 addresses for the given host from the hosts file.
 func (h *Hostsfile) LookupStaticHostV6(host string) []net.IP {
+	h.ReadHosts()
 	h.RLock()
 	defer h.RUnlock()
-	h.ReadHosts()
 	if len(h.byNameV6) != 0 {
 		if ips, ok := h.byNameV6[absDomainName(host)]; ok {
 			ipsCp := make([]net.IP, len(ips))
@@ -191,9 +191,9 @@ func (h *Hostsfile) LookupStaticHostV6(host string) []net.IP {
 
 // LookupStaticAddr looks up the hosts for the given address from the hosts file.
 func (h *Hostsfile) LookupStaticAddr(addr string) []string {
+	h.ReadHosts()
 	h.RLock()
 	defer h.RUnlock()
-	h.ReadHosts()
 	addr = parseLiteralIP(addr).String()
 	if addr == "" {
 		return nil