Re: [PATCH] irqchip/wpcm450: fix memory leak in ap_init_qci_info()

From: Jonathan Neuschäfer
Date: Tue Nov 15 2022 - 03:36:51 EST


Hi,

the function name is wrong in the in the subject line. Other than that,
the patch looks good.

Thanks,
Jonathan


On Mon, Nov 14, 2022 at 11:08:54AM +0000, Wei Yongjun wrote:
> From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
>
> If of_iomap() failed, 'aic' should be freed before return. Otherwise
> there is a memory leak.
>
> Fixes: fead4dd49663 ("irqchip: Add driver for WPCM450 interrupt controller")
> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
> ---
> drivers/irqchip/irq-wpcm450-aic.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/irqchip/irq-wpcm450-aic.c b/drivers/irqchip/irq-wpcm450-aic.c
> index 0dcbeb1a05a1..91df62a64cd9 100644
> --- a/drivers/irqchip/irq-wpcm450-aic.c
> +++ b/drivers/irqchip/irq-wpcm450-aic.c
> @@ -146,6 +146,7 @@ static int __init wpcm450_aic_of_init(struct device_node *node,
> aic->regs = of_iomap(node, 0);
> if (!aic->regs) {
> pr_err("Failed to map WPCM450 AIC registers\n");
> + kfree(aic);
> return -ENOMEM;
> }
>
> --
> 2.34.1
>

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