linux-kernel - Re: [PATCH v2] irqchip/irq-ls1x: Missing error code in ls1x_intc_of

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Date:   Sun, 31 Mar 2019 12:03:59 +0800
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>,
        Marc Zyngier <marc.zyngier@....com>
Cc:     Jason Cooper <jason@...edaemon.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Mukesh Ojha <mojha@...eaurora.org>
Subject: Re: [PATCH v2] irqchip/irq-ls1x: Missing error code in
 ls1x_intc_of_init()

Acked-by: Jiaxun Yang <jiaxun.yang@...goat.com>

Thanks!

--

Jiaxun Yang

在 2019/3/29 14:21, Dan Carpenter 写道:
> Currently, when irq_domain_add_linear() fails, the error code does not
> get so it returns zero which is wrong.  Fix it by setting appropriate
> error code.
>
> Fixes: 9e543e22e204 ("irqchip: Add driver for Loongson-1 interrupt controller")
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
> Reviewed-by: Mukesh Ojha <mojha@...eaurora.org>
> ---
> V2: Improve the commit message
>
>   drivers/irqchip/irq-ls1x.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/irqchip/irq-ls1x.c b/drivers/irqchip/irq-ls1x.c
> index 86b72fbd3b45..353111a10413 100644
> --- a/drivers/irqchip/irq-ls1x.c
> +++ b/drivers/irqchip/irq-ls1x.c
> @@ -130,6 +130,7 @@ static int __init ls1x_intc_of_init(struct device_node *node,
>   					     NULL);
>   	if (!priv->domain) {
>   		pr_err("ls1x-irq: cannot add IRQ domain\n");
> +		err = -ENOMEM;
>   		goto out_iounmap;
>   	}
>