From: Zhang Enpei <zhang.enpei@zte.com.cn>
Date: Wed, 27 Aug 2025 07:52:36 +0000 (+0800)
Subject: crypto: caam - switch to use devm_kmemdup_array()
X-Git-Tag: v6.18-rc1~84^2~42
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ab315f7288b75c289cf4a81d18d6b21e13022364;p=thirdparty%2Fkernel%2Flinux.git

crypto: caam - switch to use devm_kmemdup_array()

Use devm_kmemdup_array() to avoid multiplication or possible overflows.

Signed-off-by: Zhang Enpei <zhang.enpei@zte.com.cn>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index a93be395c878..ca4f6eb53b9f 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),
+					    GFP_KERNEL);
 	if (!ctrlpriv->clks)
 		return -ENOMEM;