Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH v4 03/14] irqchip/csky-mpintc: Fix potential resource
 leaks
To:     Markus Elfring <Markus.Elfring@web.de>,
        Thomas Gleixner <tglx@linutronix.de>,
        Jason Cooper <jason@lakedaemon.net>,
        Marc Zyngier <maz@kernel.org>, Guo Ren <guoren@kernel.org>,
        linux-csky@vger.kernel.org
References: <1593569786-11500-1-git-send-email-yangtiezhu@loongson.cn>
 <1593569786-11500-4-git-send-email-yangtiezhu@loongson.cn>
 <35eae701-e6b1-96af-9be4-0993330a17dc@web.de>
Cc:     linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
From:   Tiezhu Yang <yangtiezhu@loongson.cn>
Message-ID: <6a468fb4-74b0-4bf3-49bc-cfc62d734e24@loongson.cn>
Date:   Wed, 1 Jul 2020 17:23:29 +0800
User-Agent: Mozilla/5.0 (X11; Linux mips64; rv:45.0) Gecko/20100101
 Thunderbird/45.4.0
MIME-Version: 1.0
In-Reply-To: <35eae701-e6b1-96af-9be4-0993330a17dc@web.de>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On 07/01/2020 03:49 PM, Markus Elfring wrote:
>> exception handling. By the way, do some coding-style cleanups
> I propose to consider another bit of fine-tuning.
>
>
> …
>> +++ b/drivers/irqchip/irq-csky-mpintc.c
> …
>> @@ -270,12 +274,24 @@ csky_mpintc_init(struct device_node *node, struct device_node *parent)
>>
>>   #ifdef CONFIG_SMP
>>   	ipi_irq = irq_create_mapping(root_domain, IPI_IRQ);
>> -	if (!ipi_irq)
>> -		return -EIO;
>> +	if (!ipi_irq) {
>> +		ret = -EIO;
>> +		goto err_domain_remove;
> How do you think about to use the following source code variant
> at this place?
>
> +		irq_domain_remove(root_domain);
> +		ret = -EIO;
> +		goto err_iounmap;
>
>
> Would you like to avoid the repetition of the check “#ifdef CONFIG_SMP”?

OK, thank you, it looks good to me, I will do it in v5.

>
> Regards,
> Markus