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irqchip/gic-v2m: Fix SPI release on error path 

On failing to allocate the required SPIs, the actual number of interrupts
should be freed and not its log2 value.

Fixes: de337ee301 ("irqchip/gic-v2m: Add PCI Multi-MSI support")
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Yang Yingliang <yangyingliang@huawei.com>
Cc: Sumit Garg <sumit.garg@linaro.org>
Link: https://lkml.kernel.org/r/20180622095254.5906-4-marc.zyngier@arm.com
This commit is contained in:
Marc Zyngier 2018-06-22 10:52:50 +01:00 committed by Thomas Gleixner
parent 893fbfff97
commit cbaf45a6be
1 changed files with 1 additions and 1 deletions
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2
drivers/irqchip/irq-gic-v2m.c
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@ -199,7 +199,7 @@ static int gicv2m_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
fail:
irq_domain_free_irqs_parent(domain, virq, nr_irqs);
gicv2m_unalloc_msi(v2m, hwirq, get_count_order(nr_irqs));
gicv2m_unalloc_msi(v2m, hwirq, nr_irqs);
return err;
}