netdev - Re: [PATCH ethtool 3/3] marvell.c: Fix build with musl-libc

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Date:   Sat, 14 Jan 2023 01:13:46 +0100
From:   Michal Kubecek <mkubecek@...e.cz>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org, Markus Mayer <mmayer@...adcom.com>,
        Andrew Lunn <andrew@...n.ch>
Subject: Re: [PATCH ethtool 3/3] marvell.c: Fix build with musl-libc

On Fri, Jan 13, 2023 at 03:31:48PM -0800, Florian Fainelli wrote:
> After commit 1fa60003a8b8 ("misc: header includes cleanup") we stopped
> including net/if.h which resolved the proper defines to pull in
> sys/types.h and provide a definition for u_int32_t. With musl-libc we
> need to define _GNU_SOURCE to ensure that sys/types.h does provide a
> definition for u_int32_t.
> 
> Fixes: 1fa60003a8b8 ("misc: header includes cleanup")
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  marvell.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/marvell.c b/marvell.c
> index d3d570e4d4ad..be2fc36b8fc5 100644
> --- a/marvell.c
> +++ b/marvell.c
> @@ -6,7 +6,7 @@
>   */
>  
>  #include <stdio.h>
> -
> +#define _GNU_SOURCE
>  #include "internal.h"
>  
>  static void dump_addr(int n, const u8 *a)

I would prefer replacing u_intXX_t types with standard uintXX_t and
including <stdint.h>. That would be consistent with the rest of the
code which uses ISO uintXX_t types or (older code) kernel uXX types.

Michal

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