From: Sergey Kandaurov <pluknet@nginx.com>
Date: Thu, 14 Jul 2022 17:26:54 +0000 (+0400)
Subject: Resolver: fixed memory leak for the "ipv4=off" case.
X-Git-Tag: release-1.23.1~4
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=14341ce2377d38a268261e0fec65b6915ae6e95e;p=nginx.git

Resolver: fixed memory leak for the "ipv4=off" case.

This change partially reverts 2a77754cd9fe to properly free rn->query.

Found by Coverity (CID 1507244).
---

diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c
index 36bd46df6..c76c17852 100644
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -3684,10 +3684,7 @@ ngx_resolver_create_name_query(ngx_resolver_t *r, ngx_resolver_node_t *rn,
     }
 
     rn->qlen = (u_short) len;
-
-    if (r->ipv4) {
-        rn->query = p;
-    }
+    rn->query = p;
 
 #if (NGX_HAVE_INET6)
     if (r->ipv6) {