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

From: David Ahern
Date: Tue Dec 08 2020 - 15:21:19 EST


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>
> ---
> drivers/net/vrf.c | 110 +++++++++++++++++++++++-----------------------
> 1 file changed, 55 insertions(+), 55 deletions(-)
>


I should have caught that in my review.

Reviewed-by: David Ahern <dsahern@xxxxxxxxxx>