From 4ac8036e78aeb95fe85e41d45caf82722f8e2d07 Mon Sep 17 00:00:00 2001 From: Ruslan Ermilov Date: Wed, 23 May 2018 10:41:38 +0300 Subject: Resolver: close UDP socket on error or incomplete send. --- src/core/ngx_resolver.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'src/core/ngx_resolver.c') diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c index 5365e9f41..f904091bf 100644 --- a/src/core/ngx_resolver.c +++ b/src/core/ngx_resolver.c @@ -1300,15 +1300,22 @@ ngx_resolver_send_udp_query(ngx_resolver_t *r, ngx_resolver_connection_t *rec, 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; } -- cgit