net: cdc_ncm: fix SET_MAX_DATAGRAM_SIZE

We need to inform the device about the *new* value, not the
old one.

Cc: Alexey Orishko <alexey.orishko@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bjørn Mork 2013-11-01 11:16:46 +01:00 committed by David S. Miller
parent 6a9612e2cb
commit 1b5287a7ab

View file

@ -280,6 +280,7 @@ static u8 cdc_ncm_setup(struct usbnet *dev)
/* if value changed, update device */
if (ctx->max_datagram_size !=
le16_to_cpu(max_datagram_size)) {
max_datagram_size = cpu_to_le16(ctx->max_datagram_size);
err = usbnet_write_cmd(dev,
USB_CDC_SET_MAX_DATAGRAM_SIZE,
USB_TYPE_CLASS | USB_DIR_OUT