net: hinic: Use devm_kcalloc() instead of devm_kzalloc()

Use 2-factor multiplication argument form devm_kcalloc() instead
of devm_kzalloc().

Link: KSPP/linux#162
Signed-off-by: Gustavo A. R. Silva <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Link: https://lore.kernel.org/r/20211208003527.GA75483@embeddedor
Signed-off-by: Jakub Kicinski <[email protected]>

Author: GustavoARSilva

drivers/net/ethernet/huawei/hinic/hinic_hw_io.c

@@ -375,31 +375,30 @@ int hinic_io_create_qps(struct hinic_func_to_io *func_to_io,
 {
 	struct hinic_hwif *hwif = func_to_io->hwif;
 	struct pci_dev *pdev = hwif->pdev;
-	size_t qps_size, wq_size, db_size;
 	void *ci_addr_base;
 	int i, j, err;
 
-	qps_size = num_qps * sizeof(*func_to_io->qps);
-	func_to_io->qps = devm_kzalloc(&pdev->dev, qps_size, GFP_KERNEL);
+	func_to_io->qps = devm_kcalloc(&pdev->dev, num_qps,
+				       sizeof(*func_to_io->qps), GFP_KERNEL);
 	if (!func_to_io->qps)
 		return -ENOMEM;
 
-	wq_size = num_qps * sizeof(*func_to_io->sq_wq);
-	func_to_io->sq_wq = devm_kzalloc(&pdev->dev, wq_size, GFP_KERNEL);
+	func_to_io->sq_wq = devm_kcalloc(&pdev->dev, num_qps,
+					 sizeof(*func_to_io->sq_wq), GFP_KERNEL);
 	if (!func_to_io->sq_wq) {
 		err = -ENOMEM;
 		goto err_sq_wq;
 	}
 
-	wq_size = num_qps * sizeof(*func_to_io->rq_wq);
-	func_to_io->rq_wq = devm_kzalloc(&pdev->dev, wq_size, GFP_KERNEL);
+	func_to_io->rq_wq = devm_kcalloc(&pdev->dev, num_qps,
+					 sizeof(*func_to_io->rq_wq), GFP_KERNEL);
 	if (!func_to_io->rq_wq) {
 		err = -ENOMEM;
 		goto err_rq_wq;
 	}
 
-	db_size = num_qps * sizeof(*func_to_io->sq_db);
-	func_to_io->sq_db = devm_kzalloc(&pdev->dev, db_size, GFP_KERNEL);
+	func_to_io->sq_db = devm_kcalloc(&pdev->dev, num_qps,
+					 sizeof(*func_to_io->sq_db), GFP_KERNEL);
 	if (!func_to_io->sq_db) {
 		err = -ENOMEM;
 		goto err_sq_db;