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