Re: [PATCH] irqchip/loongson-liointc: Fix an error handling path in liointc_init()

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Hi, Christophe,

On Sun, May 22, 2022 at 9:44 PM Christophe JAILLET
<christophe.jaillet@xxxxxxxxxx> wrote:
>
> If a of_property_match_string() call fails, we still need to release some
> resources.
> Add the corresponding goto instead of a direct return.
Your patch is correct, but 807e93d0ecbb hasn't been upstream, I don't
know how to handle it.

Huacai
>
> Fixes: 807e93d0ecbb ("irqchip/loongson-liointc: Add ACPI init support")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
>  drivers/irqchip/irq-loongson-liointc.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/irqchip/irq-loongson-liointc.c b/drivers/irqchip/irq-loongson-liointc.c
> index ff3cb5b05710..2227b702a81d 100644
> --- a/drivers/irqchip/irq-loongson-liointc.c
> +++ b/drivers/irqchip/irq-loongson-liointc.c
> @@ -185,8 +185,10 @@ static int liointc_init(phys_addr_t addr, unsigned long size, int revision,
>                         int index = of_property_match_string(node,
>                                         "reg-names", core_reg_names[i]);
>
> -                       if (index < 0)
> -                               return -EINVAL;
> +                       if (index < 0) {
> +                               err = -EINVAL;
> +                               goto out_iounmap;
> +                       }
>
>                         priv->core_isr[i] = of_iomap(node, index);
>                 }
> --
> 2.34.1
>



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