From: Qianfeng Rong Date: Tue, 19 Aug 2025 14:39:33 +0000 (+0800) Subject: pinctrl: pinctrl-zynqmp: use kcalloc() instead of kzalloc() X-Git-Tag: v6.18-rc1~155^2~44 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ae666486ee3baf97571df837ed8acd9e05d015bf;p=thirdparty%2Fkernel%2Fstable.git 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 Acked-by: Michal Simek Link: https://lore.kernel.org/20250819143935.372084-3-rongqianfeng@vivo.com Signed-off-by: Linus Walleij --- diff --git a/drivers/pinctrl/pinctrl-zynqmp.c b/drivers/pinctrl/pinctrl-zynqmp.c index fddf0fef4b13b..585fe1661e170 100644 --- 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;