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bpf: fix implicit declaration of bpf_prog_add

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For the ifndef case of CONFIG_BPF_SYSCALL, an inline version of
bpf_prog_add needs to exist otherwise the build breaks on some configs.

 drivers/net/ethernet/mellanox/mlx4/en_netdev.c:2544:10: error: implicit declaration of function 'bpf_prog_add'
       prog = bpf_prog_add(prog, priv->rx_ring_num - 1);

The function is introduced in
59d3656d5b ("bpf: add bpf_prog_add api for bulk prog refcnt")
and first used in
47f1afdba2b87 ("net/mlx4_en: add support for fast rx drop bpf program").

Fixes: 47f1afdba2b87 ("net/mlx4_en: add support for fast rx drop bpf program")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reported-by: Tariq Toukan <ttoukan.linux@gmail.com>
Signed-off-by: Brenden Blanco <bblanco@plumgrid.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Brenden Blanco 2016-07-20 07:55:52 -07:00 committed by David S. Miller
parent 22b3548861
commit cc2e0b3fbc
1 changed files with 4 additions and 0 deletions
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4
include/linux/bpf.h
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@ -289,6 +289,10 @@ static inline struct bpf_prog *bpf_prog_get_type(u32 ufd,
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline struct bpf_prog *bpf_prog_add(struct bpf_prog *prog, int i)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline void bpf_prog_put(struct bpf_prog *prog)
{