diff options
Diffstat (limited to 'common/usb.c')
| -rw-r--r-- | common/usb.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/common/usb.c b/common/usb.c index ac9b4ca8d58..6fc0fc1c0ec 100644 --- a/common/usb.c +++ b/common/usb.c @@ -805,6 +805,18 @@ struct usb_device *usb_alloc_new_device(void *controller) return &usb_dev[dev_index - 1]; } +/* + * Free the newly created device node. + * Called in error cases where configuring a newly attached + * device fails for some reason. + */ +void usb_free_device(void) +{ + dev_index--; + USB_PRINTF("Freeing device node: %d\n", dev_index); + memset(&usb_dev[dev_index], 0, sizeof(struct usb_device)); + usb_dev[dev_index].devnum = -1; +} /* * By the time we get here, the device has gotten a new device ID |