> If remove the local variable "ret", it will look like this: … > +++ b/drivers/irqchip/irq-csky-apb-intc.c … > @@ -118,18 +116,23 @@ ck_intc_init_comm(struct device_node *node, struct device_node *parent) … > - ret = irq_alloc_domain_generic_chips(root_domain, 32, 1, > + if (irq_alloc_domain_generic_chips(root_domain, 32, 1, > "csky_intc", handle_level_irq, > - IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN, 0, 0); > - if (ret) { > + IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN, 0, 0)) { > pr_err("C-SKY Intc irq_alloc_gc failed.\n"); … I suggest to recheck the parameter alignment for such a function call. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/coding-style.rst?id=7c30b859a947535f2213277e827d7ac7dcff9c84#n93 Regards, Markus