On Wed, 2020-12-09 at 19:13 +0100, Thomas Gleixner wrote:
> Joe,
Hi Thomas.
> the below made it through my filters for some reason so I actually
> looked and immediately wondered why checkpatch.pl did not identify this
> as pure garbage.
>
> Original mail is here:
> lore.kernel.org/r/69cb540a-09d5-4956-b062-071ccded7...@web.de
>
> Can you have a look please? Adding brackets in the middle of the code
> for absolutely no reason is wrong to begin with and then not indenting
> the enclosed code makes it even worse.
Well, maybe something like this, but there are probably some
drawbacks with initializations.
---
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 7b086d1cd6c2..057be2cfe118 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4047,6 +4047,25 @@ sub process {
}
}
+# Check open brace and any possible statement indentation
+ if (defined($stat) &&
+ $stat =~ /^\+([ \t]+)\{[ \t]*\n/) {
+ if (substr($stat, pos($stat), length($1)+1) !~ /^$1\s/)
{
+ my $cnt = statement_rawlines($stat);
+ my $herectx = get_stat_here($linenr, $cnt,
$here);
+ my @array = split(/\n/, $herectx);
+ $cnt = 0;
+ $herectx = "";
+ foreach my $aline (@array) {
+ $herectx .= $aline . "\n";
+ $cnt++ if ($aline =~ /^\+/);
+ last if ($cnt >= 2);
+ }
+ WARN("OPEN_BRACE",
+ "A line with only an open brace should
start an indented block\n" . $herectx);
+ }
+ }
+
# Check relative indent for conditionals and blocks.
if ($line =~
/\b(?:(?:if|while|for|(?:[a-z_]+|)for_each[a-z_]+)\s*\(|(?:do|else)\b)/ &&
$line !~ /^.\s*#/ && $line !~ /\}\s*while\s*/) {
($stat, $cond, $line_nr_next, $remain_next, $off_next) =
