[PATCH net-next 17/35] ixgbevf: Use pci_enable_msix_range() instead of pci_enable_msix()

@@ -1817,7 +1817,6 @@ void ixgbevf_reset(struct ixgbevf_adapter *adapter)
 static int ixgbevf_acquire_msix_vectors(struct ixgbevf_adapter *adapter,
 					int vectors)
 {
-	int err = 0;
 	int vector_threshold;
 
 	/* We'll want at least 2 (vector_threshold):

@@ -1831,33 +1830,24 @@ static int ixgbevf_acquire_msix_vectors(struct ixgbevf_adapter *adapter,
 	 * Right now, we simply care about how many we'll get; we'll
 	 * set them up later while requesting irq's.
 	 */
-	while (vectors >= vector_threshold) {
-		err = pci_enable_msix(adapter->pdev, adapter->msix_entries,
-				      vectors);
-		if (!err || err < 0) /* Success or a nasty failure. */
-			break;
-		else /* err == number of vectors we should try again with */
-			vectors = err;
-	}
+	vectors = pci_enable_msix_range(adapter->pdev, adapter->msix_entries,
+					vector_threshold, vectors);
 
-	if (vectors < vector_threshold)
-		err = -ENOMEM;
-
-	if (err) {
+	if (vectors < 0) {
 		dev_err(&adapter->pdev->dev,
 			"Unable to allocate MSI-X interrupts\n");
 		kfree(adapter->msix_entries);
 		adapter->msix_entries = NULL;
-	} else {
-		/*
-		 * Adjust for only the vectors we'll use, which is minimum
-		 * of max_msix_q_vectors + NON_Q_VECTORS, or the number of
-		 * vectors we were allocated.
-		 */
-		adapter->num_msix_vectors = vectors;
+		return vectors;
 	}
 
-	return err;
+	/* Adjust for only the vectors we'll use, which is minimum
+	 * of max_msix_q_vectors + NON_Q_VECTORS, or the number of
+	 * vectors we were allocated.
+	 */
+	adapter->num_msix_vectors = vectors;
+
+	return 0;
 }
 
 /**