netdev - Re: [PATCH] bpf: fix implicit declaration of bpf_prog

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Message-Id: <20160720.115932.1415271861583397757.davem@davemloft.net>
Date:	Wed, 20 Jul 2016 11:59:32 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	bblanco@...mgrid.com
Cc:	netdev@...r.kernel.org, ttoukan.linux@...il.com
Subject: Re: [PATCH] bpf: fix implicit declaration of bpf_prog_add

From: Brenden Blanco <bblanco@...mgrid.com>
Date: Wed, 20 Jul 2016 07:55:52 -0700

> 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
> 59d3656d5bf50 ("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@...el.com>
> Reported-by: Tariq Toukan <ttoukan.linux@...il.com>
> Signed-off-by: Brenden Blanco <bblanco@...mgrid.com>

Applied.