#!/usr/bin/perl -w
-# (c) 2001, Dave Jones. <davej@redhat.com> (the file handling bit)
+# (c) 2001, Dave Jones. (the file handling bit)
# (c) 2005, Joel Schopp <jschopp@austin.ibm.com> (the ugly bit)
# (c) 2007,2008, Andy Whitcroft <apw@uk.ibm.com> (new conditions, test suite)
-# (c) 2008, Andy Whitcroft <apw@canonical.com>
+# (c) 2008,
2009, Andy Whitcroft <apw@canonical.com>
# Licensed under the terms of the GNU GPL License version 2
use strict;
my $P = $0;
$P =~ s@.*/@@g;
-my $V = '0.28';
+my $V = '0.30';
use Getopt::Long qw(:config no_auto_abbrev);
my $summary_file = 0;
my $root;
my %debug;
+my $help = 0;
+
+sub help {
+ my ($exitcode) = @_;
+
+ print << "EOM";
+Usage: $P [OPTION]... [FILE]...
+Version: $V
+
+Options:
+ -q, --quiet quiet
+ --no-tree run without a kernel tree
+ --no-signoff do not check for 'Signed-off-by' line
+ --patch treat FILE as patchfile (default)
+ --emacs emacs compile window format
+ --terse one line per report
+ -f, --file treat FILE as regular source file
+ --subjective, --strict enable more subjective tests
+ --root=PATH PATH to the kernel tree root
+ --no-summary suppress the per-file summary
+ --mailback only produce a report in case of warnings/errors
+ --summary-file include the filename in summary
+ --debug KEY=[0|1] turn on/off debugging of KEY, where KEY is one of
+ 'values', 'possible', 'type', and 'attr' (default
+ is all off)
+ --test-only=WORD report only warnings/errors containing WORD
+ literally
+ -h, --help, --version display this help and exit
+
+When FILE is - read standard input.
+EOM
+
+ exit($exitcode);
+}
+
GetOptions(
'q|quiet+' => \$quiet,
'tree!' => \$tree,
'patch!' => \$chk_patch,
'emacs!' => \$emacs,
'terse!' => \$terse,
- 'file!' => \$file,
+ 'f|file!' => \$file,
'subjective!' => \$check,
'strict!' => \$check,
'root=s' => \$root,
'debug=s' => \%debug,
'test-only=s' => \$tst_only,
-) or exit;
+ 'h|help' => \$help,
+ 'version' => \$help
+) or help(1);
+
+help(0) if ($help);
my $exit = 0;
if ($#ARGV < 0) {
- print "usage: $P [options] patchfile\n";
- print "version: $V\n";
- print "options: -q => quiet\n";
- print " --no-tree => run without a kernel tree\n";
- print " --terse => one line per report\n";
- print " --emacs => emacs compile window format\n";
- print " --file => check a source file\n";
- print " --strict => enable more subjective tests\n";
- print " --root => path to the kernel tree root\n";
- print " --no-summary => suppress the per-file summary\n";
- print " --summary-file => include the filename in summary\n";
+ print "$P: no input files\n";
exit(1);
}
my $emitted_corrupt = 0;
-our $Ident = qr{[A-Za-z_][A-Za-z\d_]*};
+our $Ident = qr{
+ [A-Za-z_][A-Za-z\d_]*
+ (?:\s*\#\#\s*[A-Za-z_][A-Za-z\d_]*)*
+ }x;
our $Storage = qr{extern|static|asmlinkage};
our $Sparse = qr{
__user|
}x;
our $typeTypedefs = qr{(?x:
- (?:__)?(?:u|s|be|le)(?:\d|\d\d)|
+ (?:__)?(?:u|s|be|le)(?:8|16|32|64)|
atomic_t
)};
$off++;
next;
}
+ if ($sanitise_quote eq '' && substr($line, $off, 2) eq '//') {
+ $sanitise_quote = '//';
+
+ substr($res, $off, 2, $sanitise_quote);
+ $off++;
+ next;
+ }
# A \ in a string means ignore the next character.
if (($sanitise_quote eq "'" || $sanitise_quote eq '"') &&
#print "c<$c> SQ<$sanitise_quote>\n";
if ($off != 0 && $sanitise_quote eq '*/' && $c ne "\t") {
substr($res, $off, 1, $;);
+ } elsif ($off != 0 && $sanitise_quote eq '//' && $c ne "\t") {
+ substr($res, $off, 1, $;);
} elsif ($off != 0 && $sanitise_quote && $c ne "\t") {
substr($res, $off, 1, 'X');
} else {
}
}
+ if ($sanitise_quote eq '//') {
+ $sanitise_quote = '';
+ }
+
# The pathname on a #include may be surrounded by '<' and '>'.
if ($res =~ /^.\s*\#\s*include\s+\<(.*)\>/) {
my $clean = 'X' x length($1);
sub possible {
my ($possible, $line) = @_;
-
- print "CHECK<$possible> ($line)\n" if ($dbg_possible > 2);
- if ($possible !~ /(?:
+ my $notPermitted = qr{(?:
^(?:
$Modifier|
$Storage|
$Type|
- DEFINE_\S+|
+ DEFINE_\S+
+ )$|
+ ^(?:
goto|
return|
case|
else|
asm|__asm__|
do
- )$|
+ )(?:\s|$)|
^(?:typedef|struct|enum)\b
- )/x) {
+ )}x;
+ warn "CHECK<$possible> ($line)\n" if ($dbg_possible > 2);
+ if ($possible !~ $notPermitted) {
# Check for modifiers.
$possible =~ s/\s*$Storage\s*//g;
$possible =~ s/\s*$Sparse\s*//g;
} elsif ($possible =~ /\s/) {
$possible =~ s/\s*$Type\s*//g;
for my $modifier (split(' ', $possible)) {
- warn "MODIFIER: $modifier ($possible) ($line)\n" if ($dbg_possible);
- push(@modifierList, $modifier);
+ if ($modifier !~ $notPermitted) {
+ warn "MODIFIER: $modifier ($possible) ($line)\n" if ($dbg_possible);
+ push(@modifierList, $modifier);
+ }
}
} else {
# suppression flags
my %suppress_ifbraces;
my %suppress_whiletrailers;
+ my %suppress_export;
# Pre-scan the patch sanitizing the lines.
# Pre-scan the patch looking for any __setup documentation.
$linenr++;
my $rawline = $rawlines[$linenr - 1];
- my $hunk_line = ($realcnt != 0);
#extract the line range in the file after the patch is applied
if ($line=~/^\@\@ -\d+(?:,\d+)? \+(\d+)(,(\d+))? \@\@/) {
%suppress_ifbraces = ();
%suppress_whiletrailers = ();
+ %suppress_export = ();
next;
# track the line number as we move through the hunk, note that
$realcnt--;
}
+ my $hunk_line = ($realcnt != 0);
+
#make up the handle for any error we report on this line
$prefix = "$filename:$realline: " if ($emacs && $file);
$prefix = "$filename:$linenr: " if ($emacs && !$file);
WARN("adding a line without newline at end of file\n" . $herecurr);
}
+# Blackfin: use hi/lo macros
+ if ($realfile =~ m@arch/blackfin/.*\.S$@) {
+ if ($line =~ /\.[lL][[:space:]]*=.*&[[:space:]]*0x[fF][fF][fF][fF]/) {
+ my $herevet = "$here\n" . cat_vet($line) . "\n";
+ ERROR("use the LO() macro, not (... & 0xFFFF)\n" . $herevet);
+ }
+ if ($line =~ /\.[hH][[:space:]]*=.*>>[[:space:]]*16/) {
+ my $herevet = "$here\n" . cat_vet($line) . "\n";
+ ERROR("use the HI() macro, not (... >> 16)\n" . $herevet);
+ }
+ }
+
# check we are in a valid source file C or perl if not then ignore this hunk
next if ($realfile !~ /\.(h|c|pl)$/);
WARN("CVS style keyword markers, these will _not_ be updated\n". $herecurr);
}
+# Blackfin: don't use __builtin_bfin_[cs]sync
+ if ($line =~ /__builtin_bfin_csync/) {
+ my $herevet = "$here\n" . cat_vet($line) . "\n";
+ ERROR("use the CSYNC() macro in asm/blackfin.h\n" . $herevet);
+ }
+ if ($line =~ /__builtin_bfin_ssync/) {
+ my $herevet = "$here\n" . cat_vet($line) . "\n";
+ ERROR("use the SSYNC() macro in asm/blackfin.h\n" . $herevet);
+ }
+
# Check for potential 'bare' types
- my ($stat, $cond, $line_nr_next, $remain_next, $off_next);
+ my ($stat, $cond, $line_nr_next, $remain_next, $off_next,
+ $realline_next);
if ($realcnt && $line =~ /.\s*\S/) {
($stat, $cond, $line_nr_next, $remain_next, $off_next) =
ctx_statement_block($linenr, $realcnt, 0);
$stat =~ s/\n./\n /g;
$cond =~ s/\n./\n /g;
+ # Find the real next line.
+ $realline_next = $line_nr_next;
+ if (defined $realline_next &&
+ (!defined $lines[$realline_next - 1] ||
+ substr($lines[$realline_next - 1], $off_next) =~ /^\s*$/)) {
+ $realline_next++;
+ }
+
my $s = $stat;
$s =~ s/{.*$//s;
$s =~ /^\s*#\s*?/ ||
$s =~ /^\s*$Ident\s*:/) {
$continuation = ($s =~ /^.*?\\\n/) ? 1 : 0;
- $s =~ s/^.*?\n//;
- $cond_lines++;
+ if ($s =~ s/^.*?\n//) {
+ $cond_lines++;
+ }
}
}
}
# check for initialisation to aggregates open brace on the next line
- if ($prevline =~ /$Declare\s*$Ident\s*=\s*$/ &&
- $line =~ /^.\s*{/) {
+ if ($line =~ /^.\s*{/ &&
+ $prevline =~ /(?:^|[^=])=\s*$/) {
ERROR("that open brace { should be on the previous line\n" . $hereprev);
}
$line =~ s@//.*@@;
$opline =~ s@//.*@@;
-#EXPORT_SYMBOL should immediately follow its function closing }.
- if (($line =~ /EXPORT_SYMBOL.*\((.*)\)/) ||
- ($line =~ /EXPORT_UNUSED_SYMBOL.*\((.*)\)/)) {
+# EXPORT_SYMBOL should immediately follow the thing it is exporting, consider
+# the whole statement.
+#print "APW <$lines[$realline_next - 1]>\n";
+ if (defined $realline_next &&
+ exists $lines[$realline_next - 1] &&
+ !defined $suppress_export{$realline_next} &&
+ ($lines[$realline_next - 1] =~ /EXPORT_SYMBOL.*\((.*)\)/ ||
+ $lines[$realline_next - 1] =~ /EXPORT_UNUSED_SYMBOL.*\((.*)\)/)) {
my $name = $1;
- if ($prevline !~ /(?:
- ^.}|
+ if ($stat !~ /(?:
+ \n.}\s*$|
^.DEFINE_$Ident\(\Q$name\E\)|
^.DECLARE_$Ident\(\Q$name\E\)|
^.LIST_HEAD\(\Q$name\E\)|
- ^.$Type\s*\(\s*\*\s*\Q$name\E\s*\)\s*\(|
- \b\Q$name\E(?:\s+$Attribute)?\s*(?:;|=|\[)
+ ^.(?:$Storage\s+)?$Type\s*\(\s*\*\s*\Q$name\E\s*\)\s*\(|
+ \b\Q$name\E(?:\s+$Attribute)*\s*(?:;|=|\[|\()
)/x) {
- WARN("EXPORT_SYMBOL(foo); should immediately follow its function/variable\n" . $herecurr);
+#print "FOO A<$lines[$realline_next - 1]> stat<$stat> name<$name>\n";
+ $suppress_export{$realline_next} = 2;
+ } else {
+ $suppress_export{$realline_next} = 1;
}
}
+ if (!defined $suppress_export{$linenr} &&
+ $prevline =~ /^.\s*$/ &&
+ ($line =~ /EXPORT_SYMBOL.*\((.*)\)/ ||
+ $line =~ /EXPORT_UNUSED_SYMBOL.*\((.*)\)/)) {
+#print "FOO B <$lines[$linenr - 1]>\n";
+ $suppress_export{$linenr} = 2;
+ }
+ if (defined $suppress_export{$linenr} &&
+ $suppress_export{$linenr} == 2) {
+ WARN("EXPORT_SYMBOL(foo); should immediately follow its function/variable\n" . $herecurr);
+ }
# check for external initialisers.
if ($line =~ /^.$Type\s*$Ident\s*(?:\s+$Modifier)*\s*=\s*(0|NULL|false)\s*;/) {
# A unary '*' may be const
} elsif ($ctx =~ /.xW/) {
- ERROR("Aspace prohibited after that '$op' $at\n" . $hereptr);
+ ERROR("space prohibited after that '$op' $at\n" . $hereptr);
}
# unary ++ and unary -- are allowed no space on one side.
DECLARE_PER_CPU|
DEFINE_PER_CPU|
__typeof__\(|
- \.$Ident\s*=\s*
+ \.$Ident\s*=\s*|
+ ^\"|\"$
}x;
#print "REST<$rest> dstat<$dstat>\n";
if ($rest ne '') {
Code Review / linux-2.6.git / blobdiff