From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bart Van Assche <bvanassche-HInyCGIudOg@public.gmane.org>
Subject: Re: [PATCH 26/28] Avoid gcc 5.4 warning -Wunused-result
Date: Sun, 9 Oct 2016 08:14:26 -0700
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To: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>, Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Devesh Sharma <Devesh.sharma-laKkSmNT4hbQT0dZR+AlfA@public.gmane.org>, Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>, Mike Marciniszyn <mike.marciniszyn-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, Moni Shoua <monis-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Sean Hefty <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>, Tatyana Nikolova <Tatyana.E.Nikolova-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, Vladimir Sokolovsky <vlad-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, Yishai Hadas <yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
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On 09/05/16 14:08, Jason Gunthorpe wrote:
> It used to be you could suppress this with (void), however the gcc
> developers have decided to get rid of that.
>
> So, look closely at each occurrence and decide what to do:
> [ ... ]

Hi Jason,

Are you aware that there are less intrusive ways to suppress "unused 
result" warnings, e.g. by using a macro like the one below?

#define UNUSED_VALUE(v) do { if (v) { } } while (0)

Bart.

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