USB: fix __must_check warnings in drivers/usb/core/
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index fd345ad..71bbd25 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1359,7 +1359,7 @@
/* let kernel drivers try to (re)bind to the interface */
case USBDEVFS_CONNECT:
usb_unlock_device(ps->dev);
- bus_rescan_devices(intf->dev.bus);
+ retval = bus_rescan_devices(intf->dev.bus);
usb_lock_device(ps->dev);
break;