pci: Deregister KVM_PCI_CFG_AREA on pci__exit

KVM_PCI_CFG_AREA is registered with kvm__register_mmio during pci__init,
but it isn't deregistered during pci__exit.

So, this commit is to kvm__deregister_mmio the KVM_PCI_CFG_AREA on pci__exit.

Signed-off-by: Tan En De <ende.tan@starfivetech.com>
Link: https://lore.kernel.org/r/20230916052303.1003-1-ende.tan@starfivetech.com
Signed-off-by: Will Deacon <will@kernel.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/pci.c b/pci.c
index b170885c..340674ce 100644
--- a/pci.c
+++ b/pci.c
@@ -532,6 +532,7 @@ int pci__exit(struct kvm *kvm)
 {
 	kvm__deregister_pio(kvm, PCI_CONFIG_DATA);
 	kvm__deregister_pio(kvm, PCI_CONFIG_ADDRESS);
+	kvm__deregister_mmio(kvm, KVM_PCI_CFG_AREA);
 
 	return 0;
 }