Mercurial > hg > nginx

changeset 7276:a90f7812de35

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Resolver: close UDP socket on error or incomplete send.
author Ruslan Ermilov <ru@nginx.com>
date Wed, 23 May 2018 10:41:38 +0300
parents e15bf978447e
children 7f9935f07fe9
files src/core/ngx_resolver.c
diffstat 1 files changed, 9 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -1300,15 +1300,22 @@ ngx_resolver_send_udp_query(ngx_resolver
     n = ngx_send(rec->udp, query, qlen);
 
     if (n == NGX_ERROR) {
-        return NGX_ERROR;
+        goto failed;
     }
 
     if ((size_t) n != (size_t) qlen) {
         ngx_log_error(NGX_LOG_CRIT, &rec->log, 0, "send() incomplete");
-        return NGX_ERROR;
+        goto failed;
     }
 
     return NGX_OK;
+
+failed:
+
+    ngx_close_connection(rec->udp);
+    rec->udp = NULL;
+
+    return NGX_ERROR;
 }