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checkpatch: check CamelCase by word, not by $Lval

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$Lval is a test for complete name (ie: foo->bar.Baz[1])

If any of this is CamelCase, then the current test uses the entire $Lval.
This isn't optimal because it can emit messages with foo->bar.Baz and
bar.Baz when Baz is a variable specified in an include file.

So instead, break the $Lval into words and check each word for CamelCase
uses.

Signed-off-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:
Joe Perches 2013-09-11 14:23:55 -07:00 committed by Linus Torvalds
parent d5e616fc1c
commit 7e781f67df
1 changed files with 9 additions and 5 deletions
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14
scripts/checkpatch.pl
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@ -3302,11 +3302,15 @@ sub process {
$var !~ /^(?:Clear|Set|TestClear|TestSet|)Page[A-Z]/ &&
#Ignore SI style variants like nS, mV and dB (ie: max_uV, regulator_min_uA_show)
$var !~ /^(?:[a-z_]*?)_?[a-z][A-Z](?:_[a-z_]+)?$/) {
seed_camelcase_includes() if ($check);
if (!defined $camelcase{$var}) {
$camelcase{$var} = 1;
CHK("CAMELCASE",
"Avoid CamelCase: <$var>\n" . $herecurr);
while ($var =~ m{($Ident)}g) {
my $word = $1;
next if ($word !~ /[A-Z][a-z]|[a-z][A-Z]/);
seed_camelcase_includes() if ($check);
if (!defined $camelcase{$word}) {
$camelcase{$word} = 1;
CHK("CAMELCASE",
"Avoid CamelCase: <$word>\n" . $herecurr);
}
}
}
}