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SubjectRe: [RFC PATCH] uapi: fix linux/packet_diag.h userspace compilation error
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From: "Dmitry V. Levin" <ldv@altlinux.org>
Date: Tue, 28 Feb 2017 04:39:30 +0300

> Replace MAX_ADDR_LEN with its numeric value to fix the following
> linux/packet_diag.h userspace compilation error:
>
> /usr/include/linux/packet_diag.h:67:17: error: 'MAX_ADDR_LEN' undeclared here (not in a function)
> __u8 pdmc_addr[MAX_ADDR_LEN];
>
> This is not the first case in the UAPI where the numeric value
> of MAX_ADDR_LEN is used, uapi/linux/if_link.h already does the same,
> and there are no UAPI headers besides these two that use MAX_ADDR_LEN.
>
> The alternative fix would be to include <linux/netdevice.h> which
> pulls in other headers and a lot of definitions with them.
>
> Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>

If if_link.h includes netdevice.h properly, let's try to do the same here as well.

Thanks.

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