From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tiezhu Yang Date: Wed, 01 Jul 2020 09:23:29 +0000 Subject: Re: [PATCH v4 03/14] irqchip/csky-mpintc: Fix potential resource leaks Message-Id: <6a468fb4-74b0-4bf3-49bc-cfc62d734e24@loongson.cn> List-Id: 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> In-Reply-To: <35eae701-e6b1-96af-9be4-0993330a17dc@web.de> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit To: Markus Elfring , Thomas Gleixner , Jason Cooper , Marc Zyngier , Guo Ren , linux-csky@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org 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