diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index d862ea502167..e373b76c5420 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -1694,16 +1694,26 @@ out:
 int kvm_vgic_inject_irq(struct kvm *kvm, int cpuid, unsigned int irq_num,
 			bool level)
 {
+	int ret = 0;
 	int vcpu_id;
 
-	if (likely(vgic_ready(kvm))) {
-		vcpu_id = vgic_update_irq_pending(kvm, cpuid, irq_num, level);
-		if (vcpu_id >= 0)
-			/* kick the specified vcpu */
-			kvm_vcpu_kick(kvm_get_vcpu(kvm, vcpu_id));
+	if (unlikely(!vgic_initialized(kvm))) {
+		mutex_lock(&kvm->lock);
+		ret = vgic_init(kvm);
+		mutex_unlock(&kvm->lock);
+
+		if (ret)
+			goto out;
 	}
 
-	return 0;
+	vcpu_id = vgic_update_irq_pending(kvm, cpuid, irq_num, level);
+	if (vcpu_id >= 0) {
+		/* kick the specified vcpu */
+		kvm_vcpu_kick(kvm_get_vcpu(kvm, vcpu_id));
+	}
+
+out:
+	return ret;
 }
 
 static irqreturn_t vgic_maintenance_handler(int irq, void *data)