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From: "Gustavo A. R. Silva" <gustavoars@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>,
	linux-hardening@vger.kernel.org
Subject: [PATCH][next] net: hinic: Use devm_kcalloc() instead of devm_kzalloc()
Date: Tue, 7 Dec 2021 18:35:27 -0600	[thread overview]
Message-ID: <20211208003527.GA75483@embeddedor> (raw)

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

Link: https://github.com/KSPP/linux/issues/162
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
 drivers/net/ethernet/huawei/hinic/hinic_hw_io.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c
index a6e43d686293..c4a0ba6e183a 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_io.c
+++ b/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;
-- 
2.27.0


             reply	other threads:[~2021-12-08  0:30 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-08  0:35 Gustavo A. R. Silva [this message]
2021-12-08  5:03 ` [PATCH][next] net: hinic: Use devm_kcalloc() instead of devm_kzalloc() Kees Cook

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