Subject: Re: [PATCH 1/1] net sysfs: Print link speed as signed integer

From: Florian Westphal <[email-masked]>
Date: Mon, 28 Sep 2015 15:00:31 +0200

Alexander Stein <[email-masked]> wrote:
> Otherwise 4294967295 (MBit/s) (-1) will be printed when there is no link.
> Documentation/ABI/testing/sysfs-class-net does not state if this shall be
> signed or unsigned.
> 
> Signed-off-by: Alexander Stein <[email-masked]>
> ---
> diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
> index 805a95a..e3f7eea 100644
> --- a/net/core/net-sysfs.c
> +++ b/net/core/net-sysfs.c
> @@ -31,7 +31,7 @@
>  static const char fmt_hex[] = "%#x\n";
>  static const char fmt_long_hex[] = "%#lx\n";
>  static const char fmt_dec[] = "%d\n";
> -static const char fmt_udec[] = "%u\n";
> +static const char fmt_udec[] = "%d\n";
>  static const char fmt_ulong[] = "%lu\n";
>  static const char fmt_u64[] = "%llu\n";

That looks bogus.  If this is about 'speed' attribute
consider removing fmt_udec and replace the printf specifier
of speed_show with fmt_dec instead.