--- a/src/core/ngx_conf_file.c
+++ b/src/core/ngx_conf_file.c
@@ -446,7 +446,9 @@ ngx_conf_read_token(ngx_conf_t *cf)
     last_space = 1;
     sharp_comment = 0;
     variable = 0;
-    quoted = s_quoted = d_quoted = 0;
+    quoted = 0;
+    s_quoted = 0;
+    d_quoted = 0;
 
     cf->args->nelts = 0;
     b = cf->conf_file->buffer;

--- a/src/event/modules/ngx_aio_module.c
+++ b/src/event/modules/ngx_aio_module.c
@@ -134,12 +134,14 @@ ngx_aio_del_connection(ngx_connection_t 
     ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "aio_cancel: %d", rc);
 
     if (rc == AIO_CANCELED) {
-        c->read->active = c->write->active = 0;
+        c->read->active = 0;
+        c->write->active = 0;
         return NGX_OK;
     }
 
     if (rc == AIO_ALLDONE) {
-        c->read->active = c->write->active = 0;
+        c->read->active = 0;
+        c->write->active = 0;
         ngx_log_error(NGX_LOG_ALERT, c->log, 0,
                       "aio_cancel() returned AIO_ALLDONE");
         return NGX_OK;

--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -972,7 +972,9 @@ ngx_http_upstream_connect(ngx_http_reque
     u->output.sendfile = c->sendfile;
 
     c->pool = r->pool;
-    c->read->log = c->write->log = c->log = r->connection->log;
+    c->log = r->connection->log;
+    c->read->log = c->log;
+    c->write->log = c->log;
 
     /* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */