KVM: arm: irqfd: fix value returned by kvm_irq_map_gsi

irqfd/arm curently does not support routing. kvm_irq_map_gsi is
supposed to return all the routing entries associated with the
provided gsi and return the number of those entries. We should
return 0 at this point.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index 8d550ff..7ed7873 100644 (file)
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -2141,7 +2141,7 @@ int kvm_irq_map_gsi(struct kvm *kvm,
                    struct kvm_kernel_irq_routing_entry *entries,
                    int gsi)
 {
-       return gsi;
+       return 0;
 }
 
 int kvm_irq_map_chip_pin(struct kvm *kvm, unsigned irqchip, unsigned pin)