irqchip/gic-v4: Clear IRQ_DISABLE_UNLAZY again if mapping fails
Should the call to irq_set_vcpu_affinity() fail at map time, we should restore the normal lazy-disable behaviour instead of staying with the eager disable that GICv4 requires. Reported-by: Eric Auger <eric.auger@redhat.com> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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@ -177,6 +177,7 @@ int its_map_vlpi(int irq, struct its_vlpi_map *map)
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.map = map,
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},
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};
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int ret;
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/*
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* The host will never see that interrupt firing again, so it
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@ -184,7 +185,11 @@ int its_map_vlpi(int irq, struct its_vlpi_map *map)
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*/
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irq_set_status_flags(irq, IRQ_DISABLE_UNLAZY);
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return irq_set_vcpu_affinity(irq, &info);
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ret = irq_set_vcpu_affinity(irq, &info);
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if (ret)
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irq_clear_status_flags(irq, IRQ_DISABLE_UNLAZY);
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return ret;
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}
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int its_get_vlpi(int irq, struct its_vlpi_map *map)
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