diff options
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 06eea8848ccc..41dcd41e550c 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -3033,9 +3033,15 @@ EXPORT_SYMBOL_GPL(usb_add_hcd); */ void usb_remove_hcd(struct usb_hcd *hcd) { - struct usb_device *rhdev = hcd->self.root_hub; + struct usb_device *rhdev; bool rh_registered; + if (!hcd) { + pr_debug("%s: hcd is NULL\n", __func__); + return; + } + rhdev = hcd->self.root_hub; + dev_info(hcd->self.controller, "remove, state %x\n", hcd->state); usb_get_dev(rhdev); |