Patch-Magento_ConfigurableProduct-M2.2.1-fix-empty-price-in-category-page.patch

--- Model/ResourceModel/Product/StockStatusBaseSelectProcessor.php	2018-04-19 17:59:58.793257045 +0300
+++ Model/ResourceModel/Product/StockStatusBaseSelectProcessor.php	2018-04-19 18:13:26.341628682 +0300
@@ -45,7 +45,7 @@
      */
     public function process(Select $select)
     {
-        if ($this->stockConfig->isShowOutOfStock()) {
+        if (!$this->stockConfig->isShowOutOfStock()) {
             $select->joinInner(
                 ['stock' => $this->stockStatusResource->getMainTable()],
                 sprintf(