linux-kernel - Re: [PATCH v4 14/14] irqchip/xilinx-intc: Fix potential resource leak

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Date:   Wed, 1 Jul 2020 11:42:47 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <maz@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH v4 14/14] irqchip/xilinx-intc: Fix potential resource leak

> In the function xilinx_intc_of_init(), system resource "irqc->root_domain"
> was not released in the error case. Thus add jump target for the completion
> of the desired exception handling.

Another small wording adjustment:
  … Thus add a jump target …


…
> +++ b/drivers/irqchip/irq-xilinx-intc.c
…
> @@ -250,6 +250,8 @@ static int __init xilinx_intc_of_init(struct device_node *intc,
>
>  	return 0;
>
> +error_domain_remove:
> +	irq_domain_remove(irqc->root_domain);
>  error:
>  	iounmap(irqc->base);
…

Can labels like “remove_irq_domain” and “unmap_io” be nicer?

Regards,
Markus