From cbee15bb6c3689458f66b5df46bded1e38c0ee0b Mon Sep 17 00:00:00 2001
From: Roman Arutyunyan <arut@nginx.com>
Date: Tue, 2 Feb 2016 13:42:55 +0300
Subject: [PATCH] Resolver: free TCP buffers on resolver cleanup.

---
 src/core/ngx_resolver.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c
index abc23fcbf..fa890737c 100644
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -295,6 +295,16 @@ ngx_resolver_cleanup(void *data)
             if (rec[i].tcp) {
                 ngx_close_connection(rec[i].tcp);
             }
+
+            if (rec[i].read_buf) {
+                ngx_resolver_free(r, rec[i].read_buf->start);
+                ngx_resolver_free(r, rec[i].read_buf);
+            }
+
+            if (rec[i].write_buf) {
+                ngx_resolver_free(r, rec[i].write_buf->start);
+                ngx_resolver_free(r, rec[i].write_buf);
+            }
         }
 
         ngx_free(r);