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irqchip/loongson-pch-msi: Fix off-by-one on allocation error path
[ Upstream commitb327708798
] When pch_msi_parent_domain_alloc() returns an error, there is an off-by-one in the number of interrupts to be freed. Fix it by passing the number of successfully allocated interrupts, instead of the relative index of the last allocated one. Fixes:632dcc2c75
("irqchip: Add Loongson PCH MSI controller") Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Link: https://lore.kernel.org/r/20240327142334.1098-1-yuzenghui@huawei.com Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -136,7 +136,7 @@ static int pch_msi_middle_domain_alloc(struct irq_domain *domain,
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err_hwirq:
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pch_msi_free_hwirq(priv, hwirq, nr_irqs);
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irq_domain_free_irqs_parent(domain, virq, i - 1);
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irq_domain_free_irqs_parent(domain, virq, i);
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return err;
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}
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