[PATCH 2/3] LoongArch: KVM: Fix kvm_device leak in kvm_ipi_destroy

[Qiang Ma]

In kvm_ioctl_create_device(), kvm_device has allocated memory,
kvm_device->destroy() seems to be supposed to free its kvm_device
struct, but kvm_ipi_destroy() is not currently doing this, that
would lead to a memory leak.

So, fix it.

Signed-off-by: Qiang Ma <maqianga@xxxxxxxxxxxxx>
---
 arch/loongarch/kvm/intc/ipi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/loongarch/kvm/intc/ipi.c b/arch/loongarch/kvm/intc/ipi.c
index 05cefd29282e..77169bf49f3f 100644
--- a/arch/loongarch/kvm/intc/ipi.c
+++ b/arch/loongarch/kvm/intc/ipi.c
@@ -459,6 +459,8 @@ static void kvm_ipi_destroy(struct kvm_device *dev)
 	ipi = kvm->arch.ipi;
 	kvm_io_bus_unregister_dev(kvm, KVM_IOCSR_BUS, &ipi->device);
 	kfree(ipi);
+	/* alloc by kvm_ioctl_create_device, free by .destroy */
+	kfree(dev);
 }
 
 static struct kvm_device_ops kvm_ipi_dev_ops = {
-- 
2.20.1