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irqchip/loongson-pch-msi: Remove unneeded variable 

irq_domain_alloc_irqs_parent() returns 0 on success and non-zero value
on failure, it is redudant to check its non-zero return value and then
return it, so just remove the variable "ret" and return directly in the
function pch_msi_parent_domain_alloc().

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1594087972-21715-7-git-send-email-yangtiezhu@loongson.cn
This commit is contained in:
Tiezhu Yang 2020-07-07 10:12:50 +08:00 committed by Marc Zyngier
parent 66a535c495
commit b10cbca8f0
1 changed files with 1 additions and 6 deletions
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7
drivers/irqchip/irq-loongson-pch-msi.c
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@ -100,17 +100,12 @@ static int pch_msi_parent_domain_alloc(struct irq_domain *domain,
unsigned int virq, int hwirq)
{
struct irq_fwspec fwspec;
int ret;
fwspec.fwnode = domain->parent->fwnode;
fwspec.param_count = 1;
fwspec.param[0] = hwirq;
ret = irq_domain_alloc_irqs_parent(domain, virq, 1, &fwspec);
if (ret)
return ret;
return 0;
return irq_domain_alloc_irqs_parent(domain, virq, 1, &fwspec);
}
static int pch_msi_middle_domain_alloc(struct irq_domain *domain,