diff options
Diffstat (limited to 'libusb')
| -rw-r--r-- | libusb/os/windows_usb.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libusb/os/windows_usb.c b/libusb/os/windows_usb.c index b089ba0..084257e 100644 --- a/libusb/os/windows_usb.c +++ b/libusb/os/windows_usb.c @@ -744,7 +744,7 @@ static int usb_enumerate_hub(struct libusb_context *ctx, struct discovered_devs char *tmp_str = NULL, *path_str = NULL; unsigned long session_id; libusb_devaddr_t devaddr = 0; - struct windows_device_priv *priv, *parent_priv; + struct windows_device_priv *priv, *parent_priv; // obviously, root (HCD) hubs have no parent is_hcd = (parent_dev == NULL); @@ -876,6 +876,10 @@ static int usb_enumerate_hub(struct libusb_context *ctx, struct discovered_devs if (dev) { usbi_dbg("using existing device for session %ld", session_id); priv = __device_priv(dev); + // Because we are rebuilding the list, there's no guarantee + // the parent device pointer is still the same. + // Other device data should still be reusable + priv->parent_dev = parent_dev; } else { usbi_dbg("allocating new device for session %ld", session_id); if ((dev = usbi_alloc_device(ctx, session_id)) == NULL) { @@ -3372,7 +3376,7 @@ static int hid_open(struct libusb_device_handle *dev_handle) break; } } - usbi_dbg("will use report ID 0x%02X for interrupt transfers", priv->hid->output_report_id); + usbi_dbg(" will use report ID 0x%02X for interrupt transfers", priv->hid->output_report_id); } else { usbi_warn(ctx, "could process output report IDs"); } |