diff options
Diffstat (limited to 'drivers/usb/core/hub.c')
| -rw-r--r-- | drivers/usb/core/hub.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 16a790826fbb..ea6cd7feea01 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1739,7 +1739,18 @@ void usb_disconnect(struct usb_device **pdev) * for de-configuring the device and invoking the remove-device * notifier chain (used by usbfs and possibly others). */ - device_del(&udev->dev); +/* device_del(&udev->dev); */ + /* If error occur during enumeration, maybe the device_add + * will not call at all, so we need to identify whether this + * device has been added or not, here we use dev.driver to + * tell it + */ + if (udev->dev.driver) { + device_del(&udev->dev); + printk(KERN_DEBUG "device_del called\n"); + } else { + printk(KERN_DEBUG "device_del not need to call\n"); + } /* Free the device number and delete the parent's children[] * (or root_hub) pointer. @@ -2696,7 +2707,7 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg) struct usb_device *udev; udev = hdev->children [port1-1]; - if (udev && udev->can_submit) { + if (udev && udev->can_submit && udev->dev.driver) { dev_warn(&intf->dev, "port %d nyet suspended\n", port1); if (msg.event & PM_EVENT_AUTO) return -EBUSY; |