From: Zhang Enpei <zhang.enpei@zte.com.cn>

Use devm_kmemdup_array() to avoid multiplication or possible overflows.

Signed-off-by: Zhang Enpei <zhang.enpei@zte.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),
+					    GFP_KERNEL);
 	if (!ctrlpriv->clks)
 		return -ENOMEM;

-- 
2.25.1

On Wed, Aug 27, 2025 at 03:52:36PM +0800, zhang.enpei@zte.com.cn wrote:
> From: Zhang Enpei <zhang.enpei@zte.com.cn>
> 
> Use devm_kmemdup_array() to avoid multiplication or possible overflows.
> 
> Signed-off-by: Zhang Enpei <zhang.enpei@zte.com.cn>
> ---
>  drivers/crypto/caam/ctrl.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt