Merging r4137:

Fixed loss of chain links in fastcgi module.

diff --git a/src/http/modules/ngx_http_fastcgi_module.c b/src/http/modules/ngx_http_fastcgi_module.c
index 0bc95f8da4a3e8c7c64e9e6afec9fe371593dcf1..48e238cbe79e2da52b45b9e052b1edd75009e4be 100644 (file)
--- a/src/http/modules/ngx_http_fastcgi_module.c
+++ b/src/http/modules/ngx_http_fastcgi_module.c
@@ -1703,8 +1703,10 @@ ngx_http_fastcgi_input_filter(ngx_event_pipe_t *p, ngx_buf_t *buf)
         }
 
         if (p->free) {
-            b = p->free->buf;
-            p->free = p->free->next;
+            cl = p->free;
+            b = cl->buf;
+            p->free = cl->next;
+            ngx_free_chain(p->pool, cl);
 
         } else {
             b = ngx_alloc_buf(p->pool);