This reverts commit f77b83b5bbab53d2be339184838b19ed2c62c0a5. This change breaks multiple usb to ethernet dongles attached on Lenovo USB hub. Signed-off-by: Aaron Ma <aaron.ma@xxxxxxxxxxxxx> --- drivers/net/usb/r8152.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index f9877a3e83ac..4a02f33f0643 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -9603,9 +9603,12 @@ static int rtl8152_probe(struct usb_interface *intf, netdev->hw_features &= ~NETIF_F_RXCSUM; } - if (udev->parent && - le16_to_cpu(udev->parent->descriptor.idVendor) == VENDOR_ID_LENOVO) { - tp->lenovo_macpassthru = 1; + if (le16_to_cpu(udev->descriptor.idVendor) == VENDOR_ID_LENOVO) { + switch (le16_to_cpu(udev->descriptor.idProduct)) { + case DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2: + case DEVICE_ID_THINKPAD_USB_C_DOCK_GEN2: + tp->lenovo_macpassthru = 1; + } } if (le16_to_cpu(udev->descriptor.bcdDevice) == 0x3011 && udev->serial && -- 2.30.2