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scripts/checkpatch.pl: avoid false warning missing break

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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.

Link: http://lkml.kernel.org/r/20170910154618.25819-1-xypron.glpk@gmx.de
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Heinrich Schuchardt 2017-11-17 15:28:38 -08:00 committed by Linus Torvalds
parent 25bdda2bd6
commit 258f79d5a1
1 changed files with 1 additions and 1 deletions
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2
scripts/checkpatch.pl
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@ -6109,7 +6109,7 @@ 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\s*\(\b|return\b|goto\b|continue\b)/);
}
if (!$has_break && $has_statement) {
WARN("MISSING_BREAK",