Re: [PATCH net-next 1/2] bpf, mlx4: fix prog refcount in mlx4_en_try_alloc_resources error path

[Daniel Borkmann]

On 11/09/2016 11:58 AM, kbuild test robot wrote:
[...]
> All errors (new ones prefixed by >>):
>
>     drivers/net/ethernet/mellanox/mlx4/en_netdev.c: In function 'mlx4_xdp_set':
> > > drivers/net/ethernet/mellanox/mlx4/en_netdev.c:2752:4: error: implicit declaration of function 'bpf_prog_add_undo' [-Werror=implicit-function-declaration]
>         bpf_prog_add_undo(prog, priv->rx_ring_num - 1);
>         ^~~~~~~~~~~~~~~~~
>     cc1: some warnings being treated as errors

Ahh right, needs an empty variant for !CONFIG_BPF_SYSCALL. I'll fix that up
before sending an official patch.

Thanks,
Daniel