pinctrl: pinctrl-zynqmp: use kcalloc() instead of kzalloc()

Use devm_kcalloc() in versal_pinctrl_prepare_pin_desc() to gain built-in
overflow protection, making memory allocation safer when calculating
allocation size compared to explicit multiplication.

Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/20250819143935.372084-3-rongqianfeng@vivo.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-zynqmp.c b/drivers/pinctrl/pinctrl-zynqmp.c
index fddf0fef4b13b8aba6a3bf83e082076deafaa4e2..585fe1661e170bf5db8498a44be2de05cbe4727a 100644 (file)
--- a/drivers/pinctrl/pinctrl-zynqmp.c
+++ b/drivers/pinctrl/pinctrl-zynqmp.c
@@ -919,7 +919,7 @@ static int versal_pinctrl_prepare_pin_desc(struct device *dev,
        if (ret)
                return ret;
 
-       pins = devm_kzalloc(dev, sizeof(*pins) * *npins, GFP_KERNEL);
+       pins = devm_kcalloc(dev, *npins, sizeof(*pins), GFP_KERNEL);
        if (!pins)
                return -ENOMEM;