Change the logic to check if the stock has been set so that it needs both the quantity and is_in_stock values.

paulpartington-cti · paulpartington-cti · commit 05ec5824f48e · 2017-07-28T16:16:53.000+01:00
diff --git a/Model/Component/Products.php b/Model/Component/Products.php
@@ -306,7 +306,7 @@ public function constructAttributeData (array $attributes, \Magento\Catalog\Mode
      */
     public function isStockSpecified(array $productData)
     {
-        if (isset($productData[self::IS_IN_STOCK_COLUMN_HEADING]) || isset($productData[self::QTY_COLUMN_HEADING])) {
+        if (isset($productData[self::IS_IN_STOCK_COLUMN_HEADING]) && isset($productData[self::QTY_COLUMN_HEADING])) {
             return true;
         }
         return false;

Original file line number	Diff line number	Diff line change
`@@ -306,7 +306,7 @@ public function constructAttributeData (array $attributes, \Magento\Catalog\Mode`
`306`	`306`	`*/`
`307`	`307`	`public function isStockSpecified(array $productData)`
`308`	`308`	`{`
`309`		`- if (isset($productData[self::IS_IN_STOCK_COLUMN_HEADING]) \|\| isset($productData[self::QTY_COLUMN_HEADING])) {`
	`309`	`+ if (isset($productData[self::IS_IN_STOCK_COLUMN_HEADING]) && isset($productData[self::QTY_COLUMN_HEADING])) {`
`310`	`310`	`return true;`
`311`	`311`	`}`
`312`	`312`	`return false;`