aboutsummaryrefslogtreecommitdiff
path: root/scripts/checkpatch.pl
diff options
context:
space:
mode:
authorJoe Perches <joe@perches.com>2012-12-17 16:02:07 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-17 17:15:19 -0800
commit323c1260ba2c4b5c4b2a1e9ab6657cde54ccf554 (patch)
treefcc114327e37918e20e42a2f4ed00e3b7f158cec /scripts/checkpatch.pl
parent74349bccedb3e34b4f1fd9c7efd2dda7905e3335 (diff)
downloadlinux-linaro-stable-323c1260ba2c4b5c4b2a1e9ab6657cde54ccf554.tar.gz
checkpatch: warn on CamelCase variable names
Store the camelcase variables in a hash and only emit a warning on the first use of each new variable. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.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-xscripts/checkpatch.pl19
1 files changed, 13 insertions, 6 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 9de3a69260e1..1d6e4c541370 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1398,6 +1398,8 @@ sub process {
my %suppress_export;
my $suppress_statement = 0;
+ my %camelcase = ();
+
# Pre-scan the patch sanitizing the lines.
# Pre-scan the patch looking for any __setup documentation.
#
@@ -2905,12 +2907,17 @@ sub process {
}
}
-#studly caps, commented out until figure out how to distinguish between use of existing and adding new
-# if (($line=~/[\w_][a-z\d]+[A-Z]/) and !($line=~/print/)) {
-# print "No studly caps, use _\n";
-# print "$herecurr";
-# $clean = 0;
-# }
+#CamelCase
+ while ($line =~ m{($Constant|$Lval)}g) {
+ my $var = $1;
+ if ($var !~ /$Constant/ &&
+ $var =~ /[A-Z]\w*[a-z]|[a-z]\w*[A-Z]/ &&
+ !defined $camelcase{$var}) {
+ $camelcase{$var} = 1;
+ WARN("CAMELCASE",
+ "Avoid CamelCase: <$var>\n" . $herecurr);
+ }
+ }
#no spaces allowed after \ in define
if ($line=~/\#\s*define.*\\\s$/) {