2013/4/2 Alan Ott <a...@signal11.us>
> dev_queue_xmit() will return a positive value if the packet could not be
> queued, often because the real network device (in our case the mac802154
> wpan device) has its queue stopped. lowpan_xmit() should return that value
> to the higher layer so the higher layer will retry sending the packet.
>
> Signed-off-by: Alan Ott <a...@signal11.us>
> ---
> net/ieee802154/6lowpan.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
> index a68c792..55e1fd5 100644
> --- a/net/ieee802154/6lowpan.c
> +++ b/net/ieee802154/6lowpan.c
> @@ -1142,7 +1142,7 @@ out:
> if (err)
> pr_debug("ERROR: xmit failed\n");
>
> - return (err < 0 ? NETDEV_TX_BUSY : NETDEV_TX_OK);
> + return (err < 0) ? NET_XMIT_DROP : err;
> }
>
> static struct wpan_phy *lowpan_get_phy(const struct net_device *dev)
> --
> 1.7.11.2
>
> this patch should be a part of previous one.
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