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authorLinus Torvalds <torvalds@linux-foundation.org>2017-11-17 16:56:17 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-17 16:56:17 -0800
commitfa7f578076a8814caa5371e9f4949e408140766d (patch)
tree8021be6f956e8a259523c394a01183797ce04422 /scripts
parentMerge tag 'trace-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace (diff)
parentEXPERT Kconfig menu: fix broken EXPERT menu (diff)
downloadlinux-dev-fa7f578076a8814caa5371e9f4949e408140766d.tar.xz
linux-dev-fa7f578076a8814caa5371e9f4949e408140766d.zip
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: - a bit more MM - procfs updates - dynamic-debug fixes - lib/ updates - checkpatch - epoll - nilfs2 - signals - rapidio - PID management cleanup and optimization - kcov updates - sysvipc updates - quite a few misc things all over the place * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (94 commits) EXPERT Kconfig menu: fix broken EXPERT menu include/asm-generic/topology.h: remove unused parent_node() macro arch/tile/include/asm/topology.h: remove unused parent_node() macro arch/sparc/include/asm/topology_64.h: remove unused parent_node() macro arch/sh/include/asm/topology.h: remove unused parent_node() macro arch/ia64/include/asm/topology.h: remove unused parent_node() macro drivers/pcmcia/sa1111_badge4.c: avoid unused function warning mm: add infrastructure for get_user_pages_fast() benchmarking sysvipc: make get_maxid O(1) again sysvipc: properly name ipc_addid() limit parameter sysvipc: duplicate lock comments wrt ipc_addid() sysvipc: unteach ids->next_id for !CHECKPOINT_RESTORE initramfs: use time64_t timestamps drivers/watchdog: make use of devm_register_reboot_notifier() kernel/reboot.c: add devm_register_reboot_notifier() kcov: update documentation Makefile: support flag -fsanitizer-coverage=trace-cmp kcov: support comparison operands collection kcov: remove pointless current != NULL check kernel/panic.c: add TAINT_AUX ...
Diffstat (limited to 'scripts')
-rw-r--r--scripts/Makefile.kcov7
-rwxr-xr-xscripts/checkpatch.pl43
-rwxr-xr-xscripts/get_maintainer.pl211
-rw-r--r--scripts/parse-maintainers.pl52
-rw-r--r--scripts/spelling.txt4
5 files changed, 268 insertions, 49 deletions
diff --git a/scripts/Makefile.kcov b/scripts/Makefile.kcov
new file mode 100644
index 000000000000..5cc72037e423
--- /dev/null
+++ b/scripts/Makefile.kcov
@@ -0,0 +1,7 @@
+ifdef CONFIG_KCOV
+CFLAGS_KCOV := $(call cc-option,-fsanitize-coverage=trace-pc,)
+ifeq ($(CONFIG_KCOV_ENABLE_COMPARISONS),y)
+CFLAGS_KCOV += $(call cc-option,-fsanitize-coverage=trace-cmp,)
+endif
+
+endif
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 8b80bac055e4..95cda3ecc66b 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -454,6 +454,7 @@ our $zero_initializer = qr{(?:(?:0[xX])?0+$Int_type?|NULL|false)\b};
our $logFunctions = qr{(?x:
printk(?:_ratelimited|_once|_deferred_once|_deferred|)|
(?:[a-z0-9]+_){1,2}(?:printk|emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|cont|WARN)(?:_ratelimited|_once|)|
+ TP_printk|
WARN(?:_RATELIMIT|_ONCE|)|
panic|
MODULE_[A-Z_]+|
@@ -2900,8 +2901,9 @@ sub process {
$line =~ /^\+\s*#\s*define\s+\w+\s+$String$/) {
$msg_type = "";
- # EFI_GUID is another special case
- } elsif ($line =~ /^\+.*\bEFI_GUID\s*\(/) {
+ # More special cases
+ } elsif ($line =~ /^\+.*\bEFI_GUID\s*\(/ ||
+ $line =~ /^\+\s*(?:\w+)?\s*DEFINE_PER_CPU/) {
$msg_type = "";
# Otherwise set the alternate message types
@@ -3103,6 +3105,7 @@ sub process {
$line =~ /^\+[a-z_]*init/ ||
$line =~ /^\+\s*(?:static\s+)?[A-Z_]*ATTR/ ||
$line =~ /^\+\s*DECLARE/ ||
+ $line =~ /^\+\s*builtin_[\w_]*driver/ ||
$line =~ /^\+\s*__setup/)) {
if (CHK("LINE_SPACING",
"Please use a blank line after function/struct/union/enum declarations\n" . $hereprev) &&
@@ -3182,6 +3185,12 @@ sub process {
# check we are in a valid C source file if not then ignore this hunk
next if ($realfile !~ /\.(h|c)$/);
+# check for unusual line ending [ or (
+ if ($line =~ /^\+.*([\[\(])\s*$/) {
+ CHK("OPEN_ENDED_LINE",
+ "Lines should not end with a '$1'\n" . $herecurr);
+ }
+
# check if this appears to be the start function declaration, save the name
if ($sline =~ /^\+\{\s*$/ &&
$prevline =~ /^\+(?:(?:(?:$Storage|$Inline)\s*)*\s*$Type\s*)?($Ident)\(/) {
@@ -3829,28 +3838,10 @@ sub process {
"Prefer printk_ratelimited or pr_<level>_ratelimited to printk_ratelimit\n" . $herecurr);
}
-# printk should use KERN_* levels. Note that follow on printk's on the
-# same line do not need a level, so we use the current block context
-# to try and find and validate the current printk. In summary the current
-# printk includes all preceding printk's which have no newline on the end.
-# we assume the first bad printk is the one to report.
- if ($line =~ /\bprintk\((?!KERN_)\s*"/) {
- my $ok = 0;
- for (my $ln = $linenr - 1; $ln >= $first_line; $ln--) {
- #print "CHECK<$lines[$ln - 1]\n";
- # we have a preceding printk if it ends
- # with "\n" ignore it, else it is to blame
- if ($lines[$ln - 1] =~ m{\bprintk\(}) {
- if ($rawlines[$ln - 1] !~ m{\\n"}) {
- $ok = 1;
- }
- last;
- }
- }
- if ($ok == 0) {
- WARN("PRINTK_WITHOUT_KERN_LEVEL",
- "printk() should include KERN_ facility level\n" . $herecurr);
- }
+# printk should use KERN_* levels
+ if ($line =~ /\bprintk\s*\(\s*(?!KERN_[A-Z]+\b)/) {
+ WARN("PRINTK_WITHOUT_KERN_LEVEL",
+ "printk() should include KERN_<LEVEL> facility level\n" . $herecurr);
}
if ($line =~ /\bprintk\s*\(\s*KERN_([A-Z]+)/) {
@@ -5957,7 +5948,7 @@ sub process {
# check for function declarations that have arguments without identifier names
if (defined $stat &&
- $stat =~ /^.\s*(?:extern\s+)?$Type\s*$Ident\s*\(\s*([^{]+)\s*\)\s*;/s &&
+ $stat =~ /^.\s*(?:extern\s+)?$Type\s*(?:$Ident|\(\s*\*\s*$Ident\s*\))\s*\(\s*([^{]+)\s*\)\s*;/s &&
$1 ne "void") {
my $args = trim($1);
while ($args =~ m/\s*($Type\s*(?:$Ident|\(\s*\*\s*$Ident?\s*\)\s*$balanced_parens)?)/g) {
@@ -6109,7 +6100,7 @@ sub process {
next if ($fline =~ /^.[\s$;]*$/);
$has_statement = 1;
$count++;
- $has_break = 1 if ($fline =~ /\bswitch\b|\b(?:break\s*;[\s$;]*$|return\b|goto\b|continue\b)/);
+ $has_break = 1 if ($fline =~ /\bswitch\b|\b(?:break\s*;[\s$;]*$|exit\s*\(\b|return\b|goto\b|continue\b)/);
}
if (!$has_break && $has_statement) {
WARN("MISSING_BREAK",
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index bc443201d3ef..99c96e86eccb 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -57,6 +57,7 @@ my $sections = 0;
my $file_emails = 0;
my $from_filename = 0;
my $pattern_depth = 0;
+my $self_test = undef;
my $version = 0;
my $help = 0;
my $find_maintainer_files = 0;
@@ -138,6 +139,7 @@ my %VCS_cmds_git = (
"subject_pattern" => "^GitSubject: (.*)",
"stat_pattern" => "^(\\d+)\\t(\\d+)\\t\$file\$",
"file_exists_cmd" => "git ls-files \$file",
+ "list_files_cmd" => "git ls-files \$file",
);
my %VCS_cmds_hg = (
@@ -167,6 +169,7 @@ my %VCS_cmds_hg = (
"subject_pattern" => "^HgSubject: (.*)",
"stat_pattern" => "^(\\d+)\t(\\d+)\t\$file\$",
"file_exists_cmd" => "hg files \$file",
+ "list_files_cmd" => "hg manifest -R \$file",
);
my $conf = which_conf(".get_maintainer.conf");
@@ -216,6 +219,14 @@ if (-f $ignore_file) {
close($ignore);
}
+if ($#ARGV > 0) {
+ foreach (@ARGV) {
+ if ($_ =~ /^-{1,2}self-test(?:=|$)/) {
+ die "$P: using --self-test does not allow any other option or argument\n";
+ }
+ }
+}
+
if (!GetOptions(
'email!' => \$email,
'git!' => \$email_git,
@@ -252,6 +263,7 @@ if (!GetOptions(
'fe|file-emails!' => \$file_emails,
'f|file' => \$from_filename,
'find-maintainer-files' => \$find_maintainer_files,
+ 'self-test:s' => \$self_test,
'v|version' => \$version,
'h|help|usage' => \$help,
)) {
@@ -268,6 +280,12 @@ if ($version != 0) {
exit 0;
}
+if (defined $self_test) {
+ read_all_maintainer_files();
+ self_test();
+ exit 0;
+}
+
if (-t STDIN && !@ARGV) {
# We're talking to a terminal, but have no command line arguments.
die "$P: missing patchfile or -f file - use --help if necessary\n";
@@ -311,14 +329,17 @@ if (!top_of_kernel_tree($lk_path)) {
my @typevalue = ();
my %keyword_hash;
my @mfiles = ();
+my @self_test_info = ();
sub read_maintainer_file {
my ($file) = @_;
open (my $maint, '<', "$file")
or die "$P: Can't open MAINTAINERS file '$file': $!\n";
+ my $i = 1;
while (<$maint>) {
my $line = $_;
+ chomp $line;
if ($line =~ m/^([A-Z]):\s*(.*)/) {
my $type = $1;
@@ -338,9 +359,12 @@ sub read_maintainer_file {
}
push(@typevalue, "$type:$value");
} elsif (!(/^\s*$/ || /^\s*\#/)) {
- $line =~ s/\n$//g;
push(@typevalue, $line);
}
+ if (defined $self_test) {
+ push(@self_test_info, {file=>$file, linenr=>$i, line=>$line});
+ }
+ $i++;
}
close($maint);
}
@@ -357,26 +381,30 @@ sub find_ignore_git {
return grep { $_ !~ /^\.git$/; } @_;
}
-if (-d "${lk_path}MAINTAINERS") {
- opendir(DIR, "${lk_path}MAINTAINERS") or die $!;
- my @files = readdir(DIR);
- closedir(DIR);
- foreach my $file (@files) {
- push(@mfiles, "${lk_path}MAINTAINERS/$file") if ($file !~ /^\./);
+read_all_maintainer_files();
+
+sub read_all_maintainer_files {
+ if (-d "${lk_path}MAINTAINERS") {
+ opendir(DIR, "${lk_path}MAINTAINERS") or die $!;
+ my @files = readdir(DIR);
+ closedir(DIR);
+ foreach my $file (@files) {
+ push(@mfiles, "${lk_path}MAINTAINERS/$file") if ($file !~ /^\./);
+ }
}
-}
-if ($find_maintainer_files) {
- find( { wanted => \&find_is_maintainer_file,
- preprocess => \&find_ignore_git,
- no_chdir => 1,
- }, "${lk_path}");
-} else {
- push(@mfiles, "${lk_path}MAINTAINERS") if -f "${lk_path}MAINTAINERS";
-}
+ if ($find_maintainer_files) {
+ find( { wanted => \&find_is_maintainer_file,
+ preprocess => \&find_ignore_git,
+ no_chdir => 1,
+ }, "${lk_path}");
+ } else {
+ push(@mfiles, "${lk_path}MAINTAINERS") if -f "${lk_path}MAINTAINERS";
+ }
-foreach my $file (@mfiles) {
- read_maintainer_file("$file");
+ foreach my $file (@mfiles) {
+ read_maintainer_file("$file");
+ }
}
#
@@ -586,6 +614,135 @@ if ($web) {
exit($exit);
+sub self_test {
+ my @lsfiles = ();
+ my @good_links = ();
+ my @bad_links = ();
+ my @section_headers = ();
+ my $index = 0;
+
+ @lsfiles = vcs_list_files($lk_path);
+
+ for my $x (@self_test_info) {
+ $index++;
+
+ ## Section header duplication and missing section content
+ if (($self_test eq "" || $self_test =~ /\bsections\b/) &&
+ $x->{line} =~ /^\S[^:]/ &&
+ defined $self_test_info[$index] &&
+ $self_test_info[$index]->{line} =~ /^([A-Z]):\s*\S/) {
+ my $has_S = 0;
+ my $has_F = 0;
+ my $has_ML = 0;
+ my $status = "";
+ if (grep(m@^\Q$x->{line}\E@, @section_headers)) {
+ print("$x->{file}:$x->{linenr}: warning: duplicate section header\t$x->{line}\n");
+ } else {
+ push(@section_headers, $x->{line});
+ }
+ my $nextline = $index;
+ while (defined $self_test_info[$nextline] &&
+ $self_test_info[$nextline]->{line} =~ /^([A-Z]):\s*(\S.*)/) {
+ my $type = $1;
+ my $value = $2;
+ if ($type eq "S") {
+ $has_S = 1;
+ $status = $value;
+ } elsif ($type eq "F" || $type eq "N") {
+ $has_F = 1;
+ } elsif ($type eq "M" || $type eq "R" || $type eq "L") {
+ $has_ML = 1;
+ }
+ $nextline++;
+ }
+ if (!$has_ML && $status !~ /orphan|obsolete/i) {
+ print("$x->{file}:$x->{linenr}: warning: section without email address\t$x->{line}\n");
+ }
+ if (!$has_S) {
+ print("$x->{file}:$x->{linenr}: warning: section without status \t$x->{line}\n");
+ }
+ if (!$has_F) {
+ print("$x->{file}:$x->{linenr}: warning: section without file pattern\t$x->{line}\n");
+ }
+ }
+
+ next if ($x->{line} !~ /^([A-Z]):\s*(.*)/);
+
+ my $type = $1;
+ my $value = $2;
+
+ ## Filename pattern matching
+ if (($type eq "F" || $type eq "X") &&
+ ($self_test eq "" || $self_test =~ /\bpatterns\b/)) {
+ $value =~ s@\.@\\\.@g; ##Convert . to \.
+ $value =~ s/\*/\.\*/g; ##Convert * to .*
+ $value =~ s/\?/\./g; ##Convert ? to .
+ ##if pattern is a directory and it lacks a trailing slash, add one
+ if ((-d $value)) {
+ $value =~ s@([^/])$@$1/@;
+ }
+ if (!grep(m@^$value@, @lsfiles)) {
+ print("$x->{file}:$x->{linenr}: warning: no file matches\t$x->{line}\n");
+ }
+
+ ## Link reachability
+ } elsif (($type eq "W" || $type eq "Q" || $type eq "B") &&
+ $value =~ /^https?:/ &&
+ ($self_test eq "" || $self_test =~ /\blinks\b/)) {
+ next if (grep(m@^\Q$value\E$@, @good_links));
+ my $isbad = 0;
+ if (grep(m@^\Q$value\E$@, @bad_links)) {
+ $isbad = 1;
+ } else {
+ my $output = `wget --spider -q --no-check-certificate --timeout 10 --tries 1 $value`;
+ if ($? == 0) {
+ push(@good_links, $value);
+ } else {
+ push(@bad_links, $value);
+ $isbad = 1;
+ }
+ }
+ if ($isbad) {
+ print("$x->{file}:$x->{linenr}: warning: possible bad link\t$x->{line}\n");
+ }
+
+ ## SCM reachability
+ } elsif ($type eq "T" &&
+ ($self_test eq "" || $self_test =~ /\bscm\b/)) {
+ next if (grep(m@^\Q$value\E$@, @good_links));
+ my $isbad = 0;
+ if (grep(m@^\Q$value\E$@, @bad_links)) {
+ $isbad = 1;
+ } elsif ($value !~ /^(?:git|quilt|hg)\s+\S/) {
+ print("$x->{file}:$x->{linenr}: warning: malformed entry\t$x->{line}\n");
+ } elsif ($value =~ /^git\s+(\S+)(\s+([^\(]+\S+))?/) {
+ my $url = $1;
+ my $branch = "";
+ $branch = $3 if $3;
+ my $output = `git ls-remote --exit-code -h "$url" $branch > /dev/null 2>&1`;
+ if ($? == 0) {
+ push(@good_links, $value);
+ } else {
+ push(@bad_links, $value);
+ $isbad = 1;
+ }
+ } elsif ($value =~ /^(?:quilt|hg)\s+(https?:\S+)/) {
+ my $url = $1;
+ my $output = `wget --spider -q --no-check-certificate --timeout 10 --tries 1 $url`;
+ if ($? == 0) {
+ push(@good_links, $value);
+ } else {
+ push(@bad_links, $value);
+ $isbad = 1;
+ }
+ }
+ if ($isbad) {
+ print("$x->{file}:$x->{linenr}: warning: possible bad link\t$x->{line}\n");
+ }
+ }
+ }
+}
+
sub ignore_email_address {
my ($address) = @_;
@@ -863,6 +1020,7 @@ Other options:
--sections => print all of the subsystem sections with pattern matches
--letters => print all matching 'letter' types from all matching sections
--mailmap => use .mailmap file (default: $email_use_mailmap)
+ --self-test => show potential issues with MAINTAINERS file content
--version => show version
--help => show this help information
@@ -2192,6 +2350,23 @@ sub vcs_file_exists {
return $exists;
}
+sub vcs_list_files {
+ my ($file) = @_;
+
+ my @lsfiles = ();
+
+ my $vcs_used = vcs_exists();
+ return 0 if (!$vcs_used);
+
+ my $cmd = $VCS_cmds{"list_files_cmd"};
+ $cmd =~ s/(\$\w+)/$1/eeg; # interpolate $cmd
+ @lsfiles = &{$VCS_cmds{"execute_cmd"}}($cmd);
+
+ return () if ($? != 0);
+
+ return @lsfiles;
+}
+
sub uniq {
my (@parms) = @_;
diff --git a/scripts/parse-maintainers.pl b/scripts/parse-maintainers.pl
index 5dbd2faa2449..255cef1b098d 100644
--- a/scripts/parse-maintainers.pl
+++ b/scripts/parse-maintainers.pl
@@ -2,9 +2,44 @@
# SPDX-License-Identifier: GPL-2.0
use strict;
+use Getopt::Long qw(:config no_auto_abbrev);
+
+my $input_file = "MAINTAINERS";
+my $output_file = "MAINTAINERS.new";
+my $output_section = "SECTION.new";
+my $help = 0;
my $P = $0;
+if (!GetOptions(
+ 'input=s' => \$input_file,
+ 'output=s' => \$output_file,
+ 'section=s' => \$output_section,
+ 'h|help|usage' => \$help,
+ )) {
+ die "$P: invalid argument - use --help if necessary\n";
+}
+
+if ($help != 0) {
+ usage();
+ exit 0;
+}
+
+sub usage {
+ print <<EOT;
+usage: $P [options] <pattern matching regexes>
+
+ --input => MAINTAINERS file to read (default: MAINTAINERS)
+ --output => sorted MAINTAINERS file to write (default: MAINTAINERS.new)
+ --section => new sorted MAINTAINERS file to write to (default: SECTION.new)
+
+If <pattern match regexes> exist, then the sections that match the
+regexes are not written to the output file but are written to the
+section file.
+
+EOT
+}
+
# sort comparison functions
sub by_category($$) {
my ($a, $b) = @_;
@@ -56,13 +91,20 @@ sub trim {
sub alpha_output {
my ($hashref, $filename) = (@_);
+ return if ! scalar(keys %$hashref);
+
open(my $file, '>', "$filename") or die "$P: $filename: open failed - $!\n";
+ my $separator;
foreach my $key (sort by_category keys %$hashref) {
if ($key eq " ") {
- chomp $$hashref{$key};
print $file $$hashref{$key};
} else {
- print $file "\n" . $key . "\n";
+ if (! defined $separator) {
+ $separator = "\n";
+ } else {
+ print $file $separator;
+ }
+ print $file $key . "\n";
foreach my $pattern (sort by_pattern split('\n', %$hashref{$key})) {
print $file ($pattern . "\n");
}
@@ -112,7 +154,7 @@ sub file_input {
my %hash;
my %new_hash;
-file_input(\%hash, "MAINTAINERS");
+file_input(\%hash, $input_file);
foreach my $type (@ARGV) {
foreach my $key (keys %hash) {
@@ -123,7 +165,7 @@ foreach my $type (@ARGV) {
}
}
-alpha_output(\%hash, "MAINTAINERS.new");
-alpha_output(\%new_hash, "SECTION.new");
+alpha_output(\%hash, $output_file);
+alpha_output(\%new_hash, $output_section);
exit(0);
diff --git a/scripts/spelling.txt b/scripts/spelling.txt
index aa0cc49ad1ad..9a058cff49d4 100644
--- a/scripts/spelling.txt
+++ b/scripts/spelling.txt
@@ -1187,6 +1187,10 @@ unknonw||unknown
unknow||unknown
unkown||unknown
unneded||unneeded
+unneccecary||unnecessary
+unneccesary||unnecessary
+unneccessary||unnecessary
+unnecesary||unnecessary
unneedingly||unnecessarily
unnsupported||unsupported
unmached||unmatched