Re: [PATCH v4 03/14] irqchip/csky-mpintc: Fix potential resource leaks

From: Tiezhu Yang
Date: Wed Jul 01 2020 - 05:23:41 EST


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.


â
+++ b/drivers/irqchip/irq-csky-mpintc.c
â
@@ -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 â#ifdef CONFIG_SMPâ?

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


Regards,
Markus