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-rw-r--r--virt/kvm/arm/vgic/vgic-irqfd.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/virt/kvm/arm/vgic/vgic-irqfd.c b/virt/kvm/arm/vgic/vgic-irqfd.c
index d918dcf26a5a..f138ed2e9c63 100644
--- a/virt/kvm/arm/vgic/vgic-irqfd.c
+++ b/virt/kvm/arm/vgic/vgic-irqfd.c
@@ -99,6 +99,9 @@ int kvm_set_msi(struct kvm_kernel_irq_routing_entry *e,
if (!vgic_has_its(kvm))
return -ENODEV;
+ if (!level)
+ return -1;
+
return vgic_its_inject_msi(kvm, &msi);
}