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