From: Joe Perches <joe@perches.com>
To: Heinrich Schuchardt <xypron.glpk@gmx.de>,
Andy Whitcroft <apw@canonical.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] scripts/checkpatch.pl: avoid false warning missing break
Date: Sun, 10 Sep 2017 07:16:09 -0700 [thread overview]
Message-ID: <1505052969.22023.1.camel@perches.com> (raw)
In-Reply-To: <20170910075249.13997-1-xypron.glpk@gmx.de>
On Sun, 2017-09-10 at 09:52 +0200, Heinrich Schuchardt wrote:
> void foo(int a)
> switch (a) {
> case 'h':
> fun1();
> exit(1);
> default:
> }
>
> creates a warning
> Possible switch case/default not preceded by break
> or fallthrough comment
>
> exit( should be treated like return.
OK, but
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -4361,7 +4361,7 @@ sub process {
> next if ($fline =~ /^.[\s$;]*$/);
> $has_statement = 1;
> $count++;
> - $has_break = 1 if ($fline =~ /\bswitch\b|\b(?:break\s*;[\s$;]*$|return\b|goto\b|continue\b)/);
> + $has_break = 1 if ($fline =~ /\bswitch\b|\b(?:break\s*;[\s$;]*$|exit\(\b|return\b|goto\b|continue\b)/);
exit\s*\(
Although this could have a false negative
on some code.
next prev parent reply other threads:[~2017-09-10 14:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-10 7:52 [PATCH 1/1] scripts/checkpatch.pl: avoid false warning missing break Heinrich Schuchardt
2017-09-10 14:16 ` Joe Perches [this message]
2017-09-10 15:46 ` [PATCH v2 " Heinrich Schuchardt
2017-09-10 17:55 ` Joe Perches
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