Commit 2f7a9bda authored Jun 16, 2020 by Gustavo A. R. Silva Committed by Marc Zyngier Jun 27, 2020

irqchip/imx-intmux: Use struct_size() helper in devm_kzalloc()



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>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200616230923.GA24937@embeddedor

parent 6eeb997a

drivers/irqchip/irq-imx-intmux.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -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;

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