linux-kernel - [PATCH] crypto: caam - switch to use devm_kmemdup

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Message-ID: <20250719163416760SUAwKHXRQRBFKhvAOpNbT@zte.com.cn>
Date: Sat, 19 Jul 2025 16:34:16 +0800 (CST)
From: <zhang.enpei@....com.cn>
To: <horia.geanta@....com>
Cc: <pankaj.gupta@....com>, <gaurav.jain@....com>,
        <herbert@...dor.apana.org.au>, <davem@...emloft.net>,
        <linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] crypto: caam - switch to use devm_kmemdup_array()

From: Zhang Enpei <zhang.enpei@....com.cn>
Use devm_kmemdup_array() to avoid multiplication or possible overflows.

Signed-off-by: Zhang Enpei <zhang.enpei@....com.cn>
---
 drivers/crypto/caam/ctrl.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index ce7b99019537..2250dce9c344 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -592,9 +592,9 @@ static int init_clocks(struct device *dev, const struct caam_imx_data *data)
        int ret;

        ctrlpriv->num_clks = data->num_clks;
-       ctrlpriv->clks = devm_kmemdup(dev, data->clks,
-                                     data->num_clks * sizeof(data->clks[0]),
-                                     GFP_KERNEL);
+       ctrlpriv->clks = devm_kmemdup_array(dev, data->clks,
+                                           data->num_clks, sizeof(data->clks[0]),
+                                           GFP_KERNEL);
        if (!ctrlpriv->clks)
                return -ENOMEM;

-- 
2.25.1