On Tue, 2015-07-28 at 13:07 +0200, Daniel Borkmann wrote:
> On 07/28/2015 12:57 PM, Alexander Drozdov wrote:
> > tpacket_fill_skb() can return a negative value (-errno) which
> > is stored in tp_len variable. In that case the following
> > condition will be (but shouldn't be) true:
> >
> > tp_len > dev->mtu + dev->hard_header_len
> >
> > as dev->mtu and dev->hard_header_len are both unsigned.
> >
> > That may lead to just returning an incorrect EMSGSIZE errno
> > to the user.
> >
> > Signed-off-by: Alexander Drozdov <al.droz...@gmail.com>
>
> Looks good to me, thanks!
>
> Acked-by: Daniel Borkmann <dan...@iogearbox.net>
> --
Fixes: 52f1454f629fa ("packet: allow to transmit +4 byte in TX_RING slot for
VLAN case")
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