Calling DisconnectController() on children isn't part of the job of EFI_DRIVER_BINDING_PROTOCOL.Stop() as it only needs to deallocate resources allocated in Start(). The disconnection will happen when both DevicePath and XenBus protocols gets uninstalled.
Reported-by: Laszlo Ersek <ler...@redhat.com> Signed-off-by: Anthony PERARD <anthony.per...@citrix.com> --- Notes: Please apply this patch after: "OvmfPkg/XenBusDxe: Close XenIoProtocol openned by children" OvmfPkg/XenBusDxe/XenBusDxe.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/OvmfPkg/XenBusDxe/XenBusDxe.c b/OvmfPkg/XenBusDxe/XenBusDxe.c index 7c07a96650..634c7b71eb 100644 --- a/OvmfPkg/XenBusDxe/XenBusDxe.c +++ b/OvmfPkg/XenBusDxe/XenBusDxe.c @@ -446,12 +446,6 @@ XenBusDxeDriverBindingStop ( continue; } ChildData = XENBUS_PRIVATE_DATA_FROM_THIS (XenBusIo); - Status = gBS->DisconnectController (ChildData->Handle, NULL, NULL); - if (EFI_ERROR (Status)) { - DEBUG ((EFI_D_ERROR, "XenBusDxe: error disconnecting child: %r\n", - Status)); - continue; - } Status = gBS->CloseProtocol (Dev->ControllerHandle, &gXenIoProtocolGuid, Dev->This->DriverBindingHandle, ChildData->Handle); -- Anthony PERARD -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#43119): https://edk2.groups.io/g/devel/message/43119 Mute This Topic: https://groups.io/mt/32270256/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-