There is a typo here where we test for USB_CDC_NCM_NTH32_SIGN instead
of USB_CDC_NCM_NTB32_SUPPORTED.  The test probably still works as
written because 0x686D636E has (1 << 1) set and doesn't have (1 << 0)
set.
Fixes: f8afb73da375 ('net: cdc_ncm: factor out one-time device initialization')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
         * "The host shall only send this command while the NCM Data
         *  Interface is in alternate setting 0."
         */
-       if (le16_to_cpu(ctx->ncm_parm.bmNtbFormatsSupported) & USB_CDC_NCM_NTH32_SIGN) {
+       if (le16_to_cpu(ctx->ncm_parm.bmNtbFormatsSupported) &
+                                               USB_CDC_NCM_NTB32_SUPPORTED) {
                dev_dbg(&dev->intf->dev, "Setting NTB format to 16-bit\n");
                err = usbnet_write_cmd(dev, USB_CDC_SET_NTB_FORMAT,
                                       USB_TYPE_CLASS | USB_DIR_OUT