diff options
| author | Joe Perches <joe@perches.com> | 2016-10-11 13:52:05 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-11 15:06:30 -0700 |
| commit | af207524a49c3d70af0a9196072ab3b6d690fcf7 (patch) | |
| tree | b53f54319eb5544fba15390709df43df3942f724 /scripts/checkpatch.pl | |
| parent | 0616efa45af493a259d25c1716102173f10bd789 (diff) | |
| download | lwn-af207524a49c3d70af0a9196072ab3b6d690fcf7.tar.gz lwn-af207524a49c3d70af0a9196072ab3b6d690fcf7.zip | |
checkpatch: improve the block comment * alignment test
An "uninitialized value" is emitted when a block comment starts on
the same line as a statement.
Fix this and make the test use a little fewer cpu cycles too.
Link: http://lkml.kernel.org/r/3c9993320c2182d37f53ac540878cfef59c3f62d.1473365956.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Charlemagne Lasse <charlemagnelasse@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts/checkpatch.pl')
| -rwxr-xr-x | scripts/checkpatch.pl | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index e44dc0c75d54..3fa2b2e973eb 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -3005,18 +3005,23 @@ sub process { # Block comment * alignment if ($prevline =~ /$;[ \t]*$/ && #ends in comment - (($prevrawline =~ /^\+.*?\/\*/ && #starting /* + $line =~ /^\+[ \t]*$;/ && #leading comment + $rawline =~ /^\+[ \t]*\*/ && #leading * + (($prevrawline =~ /^\+.*?\/\*/ && #leading /* $prevrawline !~ /\*\/[ \t]*$/) || #no trailing */ - $prevrawline =~ /^\+[ \t]*\*/) && #starting * - $rawline =~ /^\+[ \t]*\*/) { #rawline * + $prevrawline =~ /^\+[ \t]*\*/)) { #leading * + my $oldindent; $prevrawline =~ m@^\+([ \t]*/?)\*@; - my $oldindent = expand_tabs($1); + if (defined($1)) { + $oldindent = expand_tabs($1); + } else { + $prevrawline =~ m@^\+(.*/?)\*@; + $oldindent = expand_tabs($1); + } $rawline =~ m@^\+([ \t]*)\*@; my $newindent = $1; - my $test_comment = '^\\+' . "$;" x (length($newindent) + 1); $newindent = expand_tabs($newindent); - if ($line =~ /$test_comment/ && - length($oldindent) ne length($newindent)) { + if (length($oldindent) ne length($newindent)) { WARN("BLOCK_COMMENT_STYLE", "Block comments should align the * on each line\n" . $hereprev); } |