Re: [PATCH net V3 1/2] tun: unbreak truncated packet signalling

[David Miller]

From: Jason Wang <jasowang@xxxxxxxxxx>
Date: Wed, 11 Dec 2013 13:08:33 +0800

> Commit 6680ec68eff47d36f67b4351bc9836fd6cba9532
> (tuntap: hardware vlan tx support) breaks the truncated packet signal by nev
> return a length greater than iov length in tun_put_user(). This patch fixes
> by always return the length of packet plus possible vlan header. Caller can
> detect the truncated packet by comparing the return value and the size of io
> length.
> 
> Cc: Zhi Yong Wu <wuzhy@xxxxxxxxxxxxxxxxxx>
> Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
> Signed-off-by: Vlad Yasevich <vyasevich@xxxxxxxxx>
> Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>

Applied and queued up for -stable.
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