+ checkpatch-fix-typo_spelling-check-for-words-with-apostrophe.patch added to -mm tree

+ checkpatch-fix-typo_spelling-check-for-words-with-apostrophe.patch added to -mm tree

[akpm]

The patch titled
     Subject: checkpatch: fix TYPO_SPELLING check for words with apostrophe
has been added to the -mm tree.  Its filename is
     checkpatch-fix-typo_spelling-check-for-words-with-apostrophe.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/checkpatch-fix-typo_spelling-check-for-words-with-apostrophe.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/checkpatch-fix-typo_spelling-check-for-words-with-apostrophe.patch

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------------------------------------------------------
From: Dwaipayan Ray <dwaipayanray1@gmail.com>
Subject: checkpatch: fix TYPO_SPELLING check for words with apostrophe

checkpatch reports a false TYPO_SPELLING warning for some words containing
an apostrophe when run with --codespell option.

A false positive is "doesn't".  Occurrence of the word causes checkpatch
to emit the following warning:

"WARNING: 'doesn'' may be misspelled - perhaps 'doesn't'?"

Modify the regex pattern to be more in line with the codespell default
word matching regex.  This fixes the word capture and avoids the false
warning.

In addition, highlight the misspelled word location by adding a caret
below the word.

Link: https://lkml.kernel.org/r/20201201190729.169733-1-dwaipayanray1@gmail.com
Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com>
Suggested-by: Joe Perches <joe@perches.com>
Reported-by: Peilin Ye <yepeilin.cs@gmail.com>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 scripts/checkpatch.pl |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/scripts/checkpatch.pl~checkpatch-fix-typo_spelling-check-for-words-with-apostrophe
+++ a/scripts/checkpatch.pl
@@ -3182,15 +3182,18 @@ sub process {
 # Check for various typo / spelling mistakes
 		if (defined($misspellings) &&
 		    ($in_commit_log || $line =~ /^(?:\+|Subject:)/i)) {
-			while ($rawline =~ /(?:^|[^a-z@])($misspellings)(?:\b|$|[^a-z@])/gi) {
+			while ($rawline =~ /(?:^|[^\w\-'`])($misspellings)(?:[^\w\-'`]|$)/gi) {
 				my $typo = $1;
+				my $blank = copy_spacing($rawline);
+				my $ptr = substr($blank, 0, $-[1]) . "^";
+				my $hereptr = "$hereline$ptr\n";
 				my $typo_fix = $spelling_fix{lc($typo)};
 				$typo_fix = ucfirst($typo_fix) if ($typo =~ /^[A-Z]/);
 				$typo_fix = uc($typo_fix) if ($typo =~ /^[A-Z]+$/);
 				my $msg_level = \&WARN;
 				$msg_level = \&CHK if ($file);
 				if (&{$msg_level}("TYPO_SPELLING",
-						  "'$typo' may be misspelled - perhaps '$typo_fix'?\n" . $herecurr) &&
+						  "'$typo' may be misspelled - perhaps '$typo_fix'?\n" . $hereptr) &&
 				    $fix) {
 					$fixed[$fixlinenr] =~ s/(^|[^A-Za-z@])($typo)($|[^A-Za-z@])/$1$typo_fix$3/;
 				}
_

Patches currently in -mm which might be from dwaipayanray1@gmail.com are

checkpatch-add-new-exception-to-repeated-word-check.patch
checkpatch-extend-attributes-check-to-handle-more-patterns.patch
checkpatch-improve-email-parsing.patch
checkpatch-fix-spelling-errors-and-remove-repeated-word.patch
checkpatch-fix-unescaped-left-brace.patch
checkpatch-add-warning-for-unnecessary-use-of-%h-and-%hh.patch
checkpatch-add-warning-for-lines-starting-with-a-in-commit-log.patch
checkpatch-fix-typo_spelling-check-for-words-with-apostrophe.patch