From david-b@pacbell.net Sun Jan 22 11:29:03 2006
From: David Brownell <david-b@pacbell.net>
To: Greg KH <greg@kroah.com>
Subject: USB: minor gadget/rndis tweak
Date: Sun, 22 Jan 2006 10:33:27 -0800
Cc: Andrew Victor <andrew@sanpeople.com>
Message-Id: <200601221033.27776.david-b@pacbell.net>

Resove a minor FIXME:  don't change MTU while RNDIS link is active,
the other end won't expect such things...

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
 drivers/usb/gadget/ether.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- gregkh-2.6.orig/drivers/usb/gadget/ether.c
+++ gregkh-2.6/drivers/usb/gadget/ether.c
@@ -1549,7 +1549,8 @@ static int eth_change_mtu (struct net_de
 {
 	struct eth_dev	*dev = netdev_priv(net);
 
-	// FIXME if rndis, don't change while link's live
+	if (dev->rndis)
+		return -EBUSY;
 
 	if (new_mtu <= ETH_HLEN || new_mtu > ETH_FRAME_LEN)
 		return -ERANGE;