On 12/07/2013 10:38 AM, Vlad Yasevich wrote: > On 12/06/2013 03:54 PM, Zhi Yong Wu wrote: >> > From: Zhi Yong Wu <[email protected]> >> > >> > By checking related codes, it is impossible that ret > len or total_len, >> > so we should remove some useless coeds in both above functions. > Looks like commit 6680ec68eff47d36f67b4351bc9836fd6cba9532 > Author: Jason Wang <[email protected]> > Date: Thu Jul 25 13:00:33 2013 +0800 > > tuntap: hardware vlan tx support > > Introduced a change in tun_put_user() where we can > never return a length longer then len or total_len. > This has an effect that is now impossible to signal > truncated status. It seems like a potential loss > of functionality and it might make sense to restore it. > > -vlad
True, will send a patch. For macvtap, we'd better also correct current behaviour to be same with tun. Thanks -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

