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| author | Gonglei <arei.gonglei@huawei.com> | 2014-06-04 16:31:46 +0800 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2014-08-29 12:51:44 +0200 |
| commit | e5a9bece9b5064d0cb0fda68ff68b9361085f400 (patch) | |
| tree | 14423b0ee2bd398e62c88878e2ee7676ef7dd935 | |
| parent | f90e160b502fb5c464eb9417ac075a78f13e9801 (diff) | |
| download | qemu-e5a9bece9b5064d0cb0fda68ff68b9361085f400.zip qemu-e5a9bece9b5064d0cb0fda68ff68b9361085f400.tar.gz qemu-e5a9bece9b5064d0cb0fda68ff68b9361085f400.tar.bz2 | |
usb: add usb_bus_release function
add global variables releasing logic when the usb buses
were removed or hot-unpluged.
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
| -rw-r--r-- | hw/usb/bus.c | 7 | ||||
| -rw-r--r-- | include/hw/usb.h | 1 |
2 files changed, 8 insertions, 0 deletions
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, |