From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46616) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XNKuc-0007ri-75 for qemu-devel@nongnu.org; Fri, 29 Aug 2014 08:04:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XNKuX-0003Yu-1q for qemu-devel@nongnu.org; Fri, 29 Aug 2014 08:04:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:5210) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XNKuW-0003YX-Rm for qemu-devel@nongnu.org; Fri, 29 Aug 2014 08:04:09 -0400 From: Gerd Hoffmann Date: Fri, 29 Aug 2014 14:03:41 +0200 Message-Id: <1409313832-2514-7-git-send-email-kraxel@redhat.com> In-Reply-To: <1409313832-2514-1-git-send-email-kraxel@redhat.com> References: <1409313832-2514-1-git-send-email-kraxel@redhat.com> Subject: [Qemu-devel] [PULL 06/17] usb: add usb_bus_release function List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Gonglei , Gerd Hoffmann From: Gonglei add global variables releasing logic when the usb buses were removed or hot-unpluged. Signed-off-by: Gonglei Signed-off-by: Gerd Hoffmann --- 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