Re: [PATCH net-next] vrf: handle CONFIG_IPV6 not set for vrf_add_mac_header_if_unset()

From: Jakub Kicinski
Date: Wed Dec 09 2020 - 15:05:39 EST


On Tue, 8 Dec 2020 12:51:55 -0700 David Ahern wrote:
> On 12/8/20 10:52 AM, Andrea Mayer wrote:
> > The vrf_add_mac_header_if_unset() is defined within a conditional
> > compilation block which depends on the CONFIG_IPV6 macro.
> > However, the vrf_add_mac_header_if_unset() needs to be called also by IPv4
> > related code and when the CONFIG_IPV6 is not set, this function is missing.
> > As a consequence, the build process stops reporting the error:
> >
> > ERROR: implicit declaration of function 'vrf_add_mac_header_if_unset'
> >
> > The problem is solved by *only* moving functions
> > vrf_add_mac_header_if_unset() and vrf_prepare_mac_header() out of the
> > conditional block.
> >
> > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> > Fixes: 0489390882202 ("vrf: add mac header for tunneled packets when sniffer is attached")
> > Signed-off-by: Andrea Mayer <andrea.mayer@xxxxxxxxxxx>
>
> I should have caught that in my review.
>
> Reviewed-by: David Ahern <dsahern@xxxxxxxxxx>

Applied, thank you!