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Subject[PATCH] virt: kvm: arm: vgic: Process the failure case when kvm_register_device_ops() fails
When kvm_register_device_ops() fails, also need call free_percpu_irq()
just like others have down within kvm_vgic_hyp_init().

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
---
virt/kvm/arm/vgic.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index 3aaca49..b799f17 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -2470,8 +2470,14 @@ int kvm_vgic_hyp_init(void)

on_each_cpu(vgic_init_maintenance_interrupt, NULL, 1);

- return kvm_register_device_ops(&kvm_arm_vgic_v2_ops,
- KVM_DEV_TYPE_ARM_VGIC_V2);
+ ret = kvm_register_device_ops(&kvm_arm_vgic_v2_ops,
+ KVM_DEV_TYPE_ARM_VGIC_V2);
+ if (ret) {
+ kvm_err("Cannot register device ops\n");
+ goto out_free_irq;
+ }
+
+ return 0;

out_free_irq:
free_percpu_irq(vgic->maint_irq, kvm_get_running_vcpus());
--
1.9.3

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