linux-kernel - Re: [PATCH] staging: erofs: Add braces to do-while statements

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Date:   Sun, 09 Dec 2018 09:30:02 -0800
From:   Joe Perches <joe@...ches.com>
To:     Greg KH <gregkh@...uxfoundation.org>,
        Thomas Jespersen <laumann.thomas@...il.com>
Cc:     gaoxiang25@...wei.com, yuchao0@...wei.com,
        linux-erofs@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: erofs: Add braces to do-while statements

(mrph.  premature send)

On Sun, 2018-12-09 at 17:20 +0100, Greg KH wrote:
> On Sun, Dec 09, 2018 at 04:59:00PM +0100, Thomas Jespersen wrote:
> > This fixes warning reported by sparse (with -Wsparse-all).
> 
> Why is sparse warning about this?

Probably because it's the kernel preferred style
to use single statement

	do {
		<foo>;
	} while (<bar>);

over

	do
		<foo>;
	while (<bar>);

by about a 20:1 ratio.