diff options
| -rw-r--r-- | sys/dev/usb/usb_subr.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/sys/dev/usb/usb_subr.c b/sys/dev/usb/usb_subr.c index 6b930d1..adeb436 100644 --- a/sys/dev/usb/usb_subr.c +++ b/sys/dev/usb/usb_subr.c @@ -905,6 +905,10 @@ usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, if (dv) { return (USBD_NORMAL_COMPLETION); } + /* + * Free subdevs so we can reallocate it larger for the number of + * interfaces + */ tmpdv = dev->subdevs; dev->subdevs = NULL; free(tmpdv, M_USB); @@ -1016,9 +1020,6 @@ usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, if (dv != NULL) { return (USBD_NORMAL_COMPLETION); } - tmpdv = dev->subdevs; - dev->subdevs = 0; - free(tmpdv, M_USB); /* * The generic attach failed, but leave the device as it is. @@ -1346,11 +1347,13 @@ usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, di->udi_speed = dev->speed; if (dev->subdevs != NULL) { - for (i = 0; dev->subdevs[i] && - i < USB_MAX_DEVNAMES; i++) { - strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), - USB_MAX_DEVNAMELEN); - di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; + for (i = 0; dev->subdevs[i] && i < USB_MAX_DEVNAMES; i++) { + if (device_is_attached(dev->subdevs[i])) + strlcpy(di->udi_devnames[i], + USBDEVPTRNAME(dev->subdevs[i]), + USB_MAX_DEVNAMELEN); + else + di->udi_devnames[i][0] = 0; } } else { i = 0; |
