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authorGonglei <arei.gonglei@huawei.com>2014-06-04 16:31:46 +0800
committerGerd Hoffmann <kraxel@redhat.com>2014-08-29 12:51:44 +0200
commite5a9bece9b5064d0cb0fda68ff68b9361085f400 (patch)
tree14423b0ee2bd398e62c88878e2ee7676ef7dd935 /hw
parentf90e160b502fb5c464eb9417ac075a78f13e9801 (diff)
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>
Diffstat (limited to 'hw')
-rw-r--r--hw/usb/bus.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/hw/usb/bus.c b/hw/usb/bus.c
index 516fb52993..c7c4dadedd 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;