update r2925

src/core/ngx_connection.c

diff --git a/src/core/ngx_connection.c b/src/core/ngx_connection.c
index d4bb064..0a7fe84 100644
--- a/src/core/ngx_connection.c
+++ b/src/core/ngx_connection.c
@@ -603,6 +603,8 @@
             ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_socket_errno,
                           ngx_close_socket_n " %V failed", &ls[i].addr_text);
         }
+
+        ls[i].fd = (ngx_socket_t) -1;
     }
 }