From: Sergey Kandaurov <pluknet@nginx.com>
Date: Mon, 4 Jun 2018 15:47:54 +0000 (+0300)
Subject: Leave chain in ngx_chain_add_copy() in consistent state on errors.
X-Git-Url: http://www.kaiwu.me/postgresql/commit/static/gitweb.js?a=commitdiff_plain;h=dac90a4bff8404e8097249a1ee444b77580f43ba;p=nginx.git

Leave chain in ngx_chain_add_copy() in consistent state on errors.
---

diff --git a/src/core/ngx_buf.c b/src/core/ngx_buf.c
index 1862a0606..c3783c446 100644
--- a/src/core/ngx_buf.c
+++ b/src/core/ngx_buf.c
@@ -137,6 +137,7 @@ ngx_chain_add_copy(ngx_pool_t *pool, ngx_chain_t **chain, ngx_chain_t *in)
     while (in) {
         cl = ngx_alloc_chain_link(pool);
         if (cl == NULL) {
+            *ll = NULL;
             return NGX_ERROR;
         }