netdev - [PATCH net-next 09/24] net: cdc_ncm: fix SET_MAX_DATAGRAM

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Message-Id: <1383301021-16613-10-git-send-email-bjorn@mork.no>
Date:	Fri,  1 Nov 2013 11:16:46 +0100
From:	Bjørn Mork <bjorn@...k.no>
To:	netdev@...r.kernel.org
Cc:	linux-usb@...r.kernel.org,
	Alexey Orishko <alexey.orishko@...il.com>,
	Bjørn Mork <bjorn@...k.no>
Subject: [PATCH net-next 09/24] 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@...il.com>
Signed-off-by: Bjørn Mork <bjorn@...k.no>
---
 drivers/net/usb/cdc_ncm.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 4de3a542..b8de8dd 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
-- 
1.7.10.4

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