linux-kernel - Re: [PATCH] staging: greybus: eclose macro in a do

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Date:   Sat, 11 Mar 2023 17:06:19 +0300
From:   Dan Carpenter <error27@...il.com>
To:     Menna Mahmoud <eng.mennamahmoud.mm@...il.com>
Cc:     outreachy@...ts.linux.dev, pure.logic@...us-software.ie,
        johan@...nel.org, elder@...nel.org, gregkh@...uxfoundation.org,
        greybus-dev@...ts.linaro.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: greybus: eclose macro in a do - while loop

On Sat, Mar 11, 2023 at 03:59:19PM +0200, Menna Mahmoud wrote:
> " ERROR: Macros with multiple statements should be enclosed in a do -
> while loop"
> 
> Reported by checkpath.
> 
> do loop with the conditional expression set to a constant
> value of zero (0).This creates a loop that
> will execute exactly one time.This is a coding idiom that
> allows a multi-line macro to be used anywhere
> that a single statement can be used.
> 
> So, enclose `gb_loopback_stats_attrs` macro in do - while (0) to
> fix checkpath error
> 
> Signed-off-by: Menna Mahmoud <eng.mennamahmoud.mm@...il.com>
> ---

This breaks the build.  You need to compile the code before sending a
patch.

regards,
dan carpenter