From d7c3b5940fae5a474a27b7eee72582223e1b0504 Mon Sep 17 00:00:00 2001
From: Yao Zongyou <yaozongyou@vip.qq.com>
Date: Sat, 23 Dec 2017 12:48:47 +0800
Subject: [PATCH] common/dns_resolve: fix memory leak

Signed-off-by: Yao Zongyou <yaozongyou@vip.qq.com>
---
 src/common/dns_resolve.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/common/dns_resolve.cc b/src/common/dns_resolve.cc
index f3594b0041f..351e390f9e3 100644
--- a/src/common/dns_resolve.cc
+++ b/src/common/dns_resolve.cc
@@ -196,6 +196,9 @@ int DNSResolver::resolve_ip_addr(CephContext *cct, const string& hostname,
   if (r < 0) {
     return r;
   }
+  auto put_state = make_scope_guard([res, this] {
+      this->put_state(res);
+    });
   return this->resolve_ip_addr(cct, &res, hostname, addr);
 #else
   return this->resolve_ip_addr(cct, NULL, hostname, addr);
-- 
2.39.5