diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/core/hub.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 69e3a966a4b..645686a1421 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -163,8 +163,10 @@ static inline char *portspeed(int portstatus) } /* Note that hdev or one of its children must be locked! */ -static inline struct usb_hub *hdev_to_hub(struct usb_device *hdev) +static struct usb_hub *hdev_to_hub(struct usb_device *hdev) { + if (!hdev || !hdev->actconfig) + return NULL; return usb_get_intfdata(hdev->actconfig->interface[0]); } @@ -385,8 +387,10 @@ static void kick_khubd(struct usb_hub *hub) void usb_kick_khubd(struct usb_device *hdev) { - /* FIXME: What if hdev isn't bound to the hub driver? */ - kick_khubd(hdev_to_hub(hdev)); + struct usb_hub *hub = hdev_to_hub(hdev); + + if (hub) + kick_khubd(hub); } |