netdev - Re: [PATCH net-next 3/3] samples/bpf: check before defining offsetof

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Message-ID: <58FE0E96.9020403@iogearbox.net>
Date:   Mon, 24 Apr 2017 16:41:26 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Alexander Alemayhu <alexander@...mayhu.com>, netdev@...r.kernel.org
CC:     ast@...com
Subject: Re: [PATCH net-next 3/3] samples/bpf: check before defining offsetof

On 04/24/2017 03:31 PM, Alexander Alemayhu wrote:
> Fixes the following warning
>
> samples/bpf/test_lru_dist.c:28:0: warning: "offsetof" redefined
>   #define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER)
>
> In file included from ./tools/lib/bpf/bpf.h:25:0,
>                   from samples/bpf/libbpf.h:5,
>                   from samples/bpf/test_lru_dist.c:24:
> /usr/lib/gcc/x86_64-redhat-linux/6.3.1/include/stddef.h:417:0: note: this is the location of the previous definition
>   #define offsetof(TYPE, MEMBER) __builtin_offsetof (TYPE, MEMBER)
>
> Signed-off-by: Alexander Alemayhu <alexander@...mayhu.com>

Acked-by: Daniel Borkmann <daniel@...earbox.net>