From: Gonglei <[email protected]> add global variables releasing logic when the usb buses were removed or hot-unpluged.
Signed-off-by: Gonglei <[email protected]> Signed-off-by: Gerd Hoffmann <[email protected]> --- hw/usb/bus.c | 7 +++++++ include/hw/usb.h | 1 + 2 files changed, 8 insertions(+) diff --git a/hw/usb/bus.c b/hw/usb/bus.c index 516fb52..c7c4dad 100644 --- a/hw/usb/bus.c +++ b/hw/usb/bus.c @@ -87,6 +87,13 @@ void usb_bus_new(USBBus *bus, size_t bus_size, QTAILQ_INSERT_TAIL(&busses, bus, next); } +void usb_bus_release(USBBus *bus) +{ + assert(next_usb_bus > 0); + + QTAILQ_REMOVE(&busses, bus, next); +} + USBBus *usb_bus_find(int busnr) { USBBus *bus; diff --git a/include/hw/usb.h b/include/hw/usb.h index 223a5ae..6b32a3b 100644 --- a/include/hw/usb.h +++ b/include/hw/usb.h @@ -529,6 +529,7 @@ struct USBBusOps { void usb_bus_new(USBBus *bus, size_t bus_size, USBBusOps *ops, DeviceState *host); +void usb_bus_release(USBBus *bus); USBBus *usb_bus_find(int busnr); void usb_legacy_register(const char *typename, const char *usbdevice_name, USBDevice *(*usbdevice_init)(USBBus *bus, -- 1.8.3.1
