Messages in this thread Patch in this message | | | Date | Tue, 16 Jun 2020 18:09:23 -0500 | From | "Gustavo A. R. Silva" <> | Subject | [PATCH][next] irqchip: Use struct_size() helper in devm_kzalloc() |
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Make use of the struct_size() helper instead of an open-coded version in order to avoid any potential type mistakes.
This code was detected with the help of Coccinelle and, audited and fixed manually.
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- drivers/irqchip/irq-imx-intmux.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/irqchip/irq-imx-intmux.c b/drivers/irqchip/irq-imx-intmux.c index c27577c81126..54d8bb4fc5a1 100644 --- a/drivers/irqchip/irq-imx-intmux.c +++ b/drivers/irqchip/irq-imx-intmux.c @@ -210,8 +210,7 @@ static int imx_intmux_probe(struct platform_device *pdev) return -EINVAL; } - data = devm_kzalloc(&pdev->dev, sizeof(*data) + - channum * sizeof(data->irqchip_data[0]), GFP_KERNEL); + data = devm_kzalloc(&pdev->dev, struct_size(data, irqchip_data, channum), GFP_KERNEL); if (!data) return -ENOMEM; -- 2.27.0
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