From: Bjørn Mork <bjorn@mork.no>
Date: Fri, 1 Nov 2013 10:16:46 +0000 (+0100)
Subject: net: cdc_ncm: fix SET_MAX_DATAGRAM_SIZE
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=1b5287a7abec1177257a988b523c78dab7056b41;p=linux-beck.git

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>
---

diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 4de3a5423e87..b8de8ddd6d98 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -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