summaryrefslogtreecommitdiffstats
path: root/arch/arm64/kvm/vgic/vgic-v4.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/kvm/vgic/vgic-v4.c')
-rw-r--r--arch/arm64/kvm/vgic/vgic-v4.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/kvm/vgic/vgic-v4.c b/arch/arm64/kvm/vgic/vgic-v4.c
index 339a55194b..74a67ad87f 100644
--- a/arch/arm64/kvm/vgic/vgic-v4.c
+++ b/arch/arm64/kvm/vgic/vgic-v4.c
@@ -436,6 +436,10 @@ int kvm_vgic_v4_set_forwarding(struct kvm *kvm, int virq,
if (ret)
goto out;
+ /* Silently exit if the vLPI is already mapped */
+ if (irq->hw)
+ goto out;
+
/*
* Emit the mapping request. If it fails, the ITS probably
* isn't v4 compatible, so let's silently bail out. Holding