netdev - include/uapi/linux/ethtool.h problem

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Message-ID: <d16fde19-04fe-63e2-686e-316a4efc1dbf@cjb.hu>
Date:   Sun, 1 Apr 2018 16:57:22 +0200
From:   Madarassy László <madar@....hu>
To:     netdev@...r.kernel.org
Subject: include/uapi/linux/ethtool.h problem

Hi,

I have the following problem:

I included include/uapi/linux/mii.h from my source and when I compiled I
got this error:

ethtool.h:1556:35: error: comparison between signed and unsigned integer
expressions [-Werro
   return speed <= INT_MAX || speed == SPEED_UNKNOWN;

speed declared as unsigned int32, but SPEED_UNKNOWN defined to -1.

Without -Wno-sign-compare I can't compile.

Regards,
Laszlo