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[net-next,09/24] net: cdc_ncm: fix SET_MAX_DATAGRAM_SIZE

Message ID 1383301021-16613-10-git-send-email-bjorn@mork.no
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Bjørn Mork Nov. 1, 2013, 10:16 a.m. UTC 
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>
---
 drivers/net/usb/cdc_ncm.c |    1 +
 1 file changed, 1 insertion(+)
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Patch

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