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authorIngo Molnar <mingo@elte.hu>2009-11-04 11:54:15 +0100
committerIngo Molnar <mingo@elte.hu>2009-11-04 11:59:45 +0100
commita2e71271535fde493c32803b1f34789f97efcb5e (patch)
tree90d7139bea2f49e947f27af92614fa6eca50b64d /scripts/checkpatch.pl
parent6d7aa9d721c8c640066142fd9534afcdf68d7f9d (diff)
parentb419148e567728f6af0c3b01965c1cc141e3e13a (diff)
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Merge commit 'v2.6.32-rc6' into perf/core
Conflicts: tools/perf/Makefile Merge reason: Resolve the conflict, merge to upstream and merge in perf fixes so we can add a dependent patch. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'scripts/checkpatch.pl')
-rwxr-xr-xscripts/checkpatch.pl84
1 files changed, 61 insertions, 23 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 87bbb8bce9b..bc4114f1ab3 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2,7 +2,7 @@
# (c) 2001, Dave Jones. <davej@redhat.com> (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;
@@ -10,7 +10,7 @@ use strict;
my $P = $0;
$P =~ s@.*/@@g;
-my $V = '0.29';
+my $V = '0.30';
use Getopt::Long qw(:config no_auto_abbrev);
@@ -130,7 +130,10 @@ if ($tree) {
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 $Sparse = qr{
__user|
@@ -997,23 +1000,25 @@ sub annotate_values {
sub possible {
my ($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;
@@ -1022,8 +1027,10 @@ sub possible {
} 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 {
@@ -1138,6 +1145,7 @@ sub process {
# 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.
@@ -1230,7 +1238,6 @@ sub process {
$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+))? \@\@/) {
@@ -1247,6 +1254,7 @@ sub process {
%suppress_ifbraces = ();
%suppress_whiletrailers = ();
+ %suppress_export = ();
next;
# track the line number as we move through the hunk, note that
@@ -1270,6 +1278,8 @@ sub process {
$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 && !$file);
@@ -1420,13 +1430,22 @@ sub process {
}
# Check for potential 'bare' types
- my ($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;
@@ -1661,8 +1680,8 @@ sub process {
}
# 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);
}
@@ -1687,21 +1706,40 @@ sub process {
$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*;/) {