[PATCH] USB: minor gadget/rndis tweak
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>
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index afc84cf..04b9743 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -1549,7 +1549,8 @@
{
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;