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由 Suzuki K Poulose 提交于
If the GIC cannot map an IRQ via irq_domain_ops->alloc(), it doesn't return an error code. This can cause a problem with drivers, where it thinks it has successfully got an IRQ for the device, but requesting the same ends up failure with -ENOSYS (as the IRQ's chip is not set). Fixes: commit 443acc4f ("irqchip: GICv3: Convert to domain hierarchy") Cc: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: NSuzuki K Poulose <suzuki.poulose@arm.com> Signed-off-by: NMarc Zyngier <marc.zyngier@arm.com>
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