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checkpatch: pull out known acceptable typedefs 

Within the type checker we have a number of common kernel types which must
be implemented as typedefs.  Pull those out so that we can use the same
expressions to trigger exclusions.

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andy Whitcroft 2008-10-15 22:02:32 -07:00 committed by Linus Torvalds
parent afbe8d283b
commit 8ed22cad9c
1 changed files with 7 additions and 1 deletions
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8
scripts/checkpatch.pl
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@ -146,6 +146,11 @@ our $UTF8 = qr {
| \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
}x;
our $typeTypedefs = qr{(?x:
(?:__)?(?:u|s|be|le)(?:\d|\d\d)|
atomic_t
)};
our @typeList = (
qr{void},
qr{(?:unsigned\s+)?char},
@ -159,7 +164,6 @@ our @typeList = (
qr{float},
qr{double},
qr{bool},
qr{(?:__)?(?:u|s|be|le)(?:\d|\d\d)},
qr{struct\s+$Ident},
qr{union\s+$Ident},
qr{enum\s+$Ident},
@ -179,6 +183,7 @@ sub build_types {
(?:$Modifier\s+|const\s+)*
(?:
(?:typeof|__typeof__)\s*\(\s*\**\s*$Ident\s*\)|
(?:$typeTypedefs\b)|
(?:${all}\b)
)
(?:\s+$Modifier|\s+const)*
@ -1589,6 +1594,7 @@ sub process {
if ($line =~ /\btypedef\s/ &&
$line !~ /\btypedef\s+$Type\s+\(\s*\*?$Ident\s*\)\s*\(/ &&
$line !~ /\btypedef\s+$Type\s+$Ident\s*\(/ &&
$line !~ /\b$typeTypedefs\b/ &&
$line !~ /\b__bitwise(?:__|)\b/) {
WARN("do not add new typedefs\n" . $herecurr);
}