From a370cd0bf035213ea7d09e1e577a4612934a8c5a Mon Sep 17 00:00:00 2001
From: Simon Zolin <s.zolin@adguard.com>
Date: Thu, 22 Aug 2019 12:01:59 +0300
Subject: [PATCH] - dnsforward: don't use dnsfilter object after it's closed
 (additional check)

---
 dnsforward/dnsforward.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dnsforward/dnsforward.go b/dnsforward/dnsforward.go
index b8a8afd1..64f5ff92 100644
--- a/dnsforward/dnsforward.go
+++ b/dnsforward/dnsforward.go
@@ -522,7 +522,7 @@ func (s *Server) filterDNSRequest(d *proxy.DNSContext) (*dnsfilter.Result, error
 
 	dnsFilter := s.dnsFilter
 
-	if !s.conf.ProtectionEnabled {
+	if !s.conf.ProtectionEnabled || s.dnsFilter == nil {
 		return &dnsfilter.Result{}, nil
 	}