Lines Matching +full:alert +full:- +full:limit
2 # SPDX-License-Identifier: GPL-2.0
7 # (c) 2008-2010 Andy Whitcroft <apw@canonical.com>
8 # (c) 2010-2018 Joe Perches <joe@perches.com>
67 my $git_command ='export LANGUAGE=en_US.UTF-8; git';
78 -q, --quiet quiet
79 --no-tree run without a kernel tree
80 --no-signoff do not check for 'Signed-off-by' line
81 --patch treat FILE as patchfile (default)
82 --emacs emacs compile window format
83 --terse one line per report
84 --showfile emit diffed file position, not input file position
85 -g, --git treat FILE as a single commit or git revision range
93 <rev>-<count>
95 -f, --file treat FILE as regular source file
96 --subjective, --strict enable more subjective tests
97 --list-types list the possible message types
98 --types TYPE(,TYPE2...) show only these comma separated message types
99 --ignore TYPE(,TYPE2...) ignore various comma separated message types
100 --exclude DIR (--exclude DIR2...) exclude directories
101 --show-types show the specific message type in the output
102 --max-line-length=n set the maximum line length, (default $max_line_length)
104 requires --strict for use with --file
105 --min-conf-desc-length=n set the min description length, if shorter, warn
106 --tab-size=n set the number of spaces for tab (default $tabsize)
107 --root=PATH PATH to the kernel tree root
108 --no-summary suppress the per-file summary
109 --mailback only produce a report in case of warnings/errors
110 --summary-file include the filename in summary
111 --debug KEY=[0|1] turn on/off debugging of KEY, where KEY is one of
114 --test-only=WORD report only warnings/errors containing WORD
116 --fix EXPERIMENTAL - may create horrible results
117 If correctable single-line errors exist, create
118 "<inputfile>.EXPERIMENTAL-checkpatch-fixes"
121 --fix-inplace EXPERIMENTAL - may create horrible results
122 Is the same as --fix, but overwrites the input
124 --ignore-perl-version override checking of perl version. expect
126 --codespell Use the codespell dictionary for spelling/typos
128 --codespellfile Use this codespell dictionary
129 --typedefsfile Read additional types from this file
130 --color[=WHEN] Use colors 'always', 'never', or only when output
132 -h, --help, --version display this help and exit
134 When FILE is - read standard input.
173 if (-f $conf) {
199 # Prevent --color by itself from consuming other arguments
201 if ($_ eq "--color" || $_ eq "-color") {
202 $_ = "--color=$color";
221 'show-types!' => \$show_types,
222 'list-types!' => \$list_types,
223 'max-line-length=i' => \$max_line_length,
224 'min-conf-desc-length=i' => \$min_conf_desc_length,
225 'tab-size=i' => \$tabsize,
229 'summary-file!' => \$summary_file,
231 'fix-inplace!' => \$fix_inplace,
232 'ignore-perl-version!' => \$ignore_perl_version,
234 'test-only=s' => \$tst_only,
239 'no-color' => \$color, #keep old behaviors of -nocolor
240 'nocolor' => \$color, #keep old behaviors of -nocolor
252 die "$P: --git cannot be used with --file or --fix\n" if ($git && ($file || $fix));
263 #if no filenames are given, push '-' to read patch from stdin
265 push(@ARGV, '-');
275 $color = (-t STDOUT);
280 # skip TAB size 1 to avoid additional checks on $tabsize - 1
291 $word =~ tr/[a-z]/[A-Z]/;
296 $hashRef->{$word}++;
335 die "$P: $root: --root does not point at a valid tree\n";
347 print "Must be run from the top-level dir. of a kernel tree\n";
355 [A-Za-z_][A-Za-z\d_]*
356 (?:\s*\#\#\s*[A-Za-z_][A-Za-z\d_]*)*
409 our $Member = qr{->$Ident|\.$Ident|\[[^]]*\]};
414 our $Hex = qr{(?i)0x[0-9a-f]+$Int_type?};
415 our $Int = qr{[0-9]+$Int_type?};
416 our $Octal = qr{0[0-7]+$Int_type?};
418 our $Float_hex = qr{(?i)0x[0-9a-f]+p-?[0-9]+[fl]?};
419 our $Float_dec = qr{(?i)(?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?};
420 our $Float_int = qr{(?i)[0-9]+e-?[0-9]+[fl]?};
423 our $Assignment = qr{\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=};
424 our $Compare = qr{<=|>=|==|!=|<|(?<!-)>};
425 our $Arithmetic = qr{\+|-|\*|\/|%};
428 =>|->|<<|>>|<|>|!|~|
429 &&|\|\||,|\^|\+\+|--|&|\||$Arithmetic
444 [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
445 | \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs
446 | [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte
447 | \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates
448 | \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3
449 | [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15
450 | \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
454 [\x09\x0A\x0D\x20-\x7E] # ASCII
477 …(?:[a-z0-9]+_){1,2}(?:printk|emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|co…
481 MODULE_[A-Z_]+|
496 Signed-off-by:|
497 Co-authored-by:|
498 Co-developed-by:|
499 Acked-by:|
500 Tested-by:|
501 Reviewed-by:|
502 Reported-by:|
503 Suggested-by:|
590 ["IIO_DEV_ATTR_[A-Z_]+", 1],
608 my $word_pattern = '\b[A-Z]?[a-z]{2,}\b';
614 $mode_perms_search .= $entry->[0];
644 0[0-7][0-7][2367]
681 return trim($string) if ($string =~ /^\s*0[0-7]{3,3}\s*$/);
692 last if ($lastpos > 0 && ($curpos - length($omatch) != $lastpos));
732 warn "No typos will be found - file '$spelling_file': $!\n";
749 my ($suspect, $fix) = split(/->/, $line);
755 warn "No codespell typos will be found - file '$codespellfile': $!\n";
774 print("$file: '$line' invalid - ignored\n");
791 # or warn "No structs that should be const will be found - file '$conststructsfile': $!\n";
797 or warn "No additional types will be considered - file '$typedefsfile': $!\n";
857 our $balanced_parens = qr/(\((?:[^\(\)]++|(?-1))*\))/;
862 (?:$Storage\s+)?(?:[A-Z_][A-Z0-9]*_){0,2}(?:DEFINE|DECLARE)(?:_[A-Z0-9]+){1,6}\s*\(|
884 return if (!(-f $file));
896 next if ($line !~ /(?:[A-Z][a-z]|[a-z][A-Z])/);
897 if ($line =~ /^[ \t]*(?:#[ \t]*define|typedef\s+$Type)\s+(\w*(?:[A-Z][a-z]|[a-z][A-Z])\w*)/) {
899 } elsif ($line =~ /^\s*$Declare\s+(\w*(?:[A-Z][a-z]|[a-z][A-Z])\w*)\s*[\(\[,;]/) {
901 } elsif ($line =~ /^\s*(?:union|struct|enum)\s+(\w*(?:[A-Z][a-z]|[a-z][A-Z])\w*)\s*[;\{]/) {
912 return 0 if (!$tree || !(-e "$root/scripts/get_maintainer.pl"));
915 …s{$filename} = `perl $root/scripts/get_maintainer.pl --status --nom --nol --nogit --nogit-fallback…
924 …return 1 if (!$tree || which("python") eq "" || !(-e "$root/scripts/spdxcheck.py") || !(-e "$root/…
927 my $status = `cd "$root_path"; echo "$license" | python scripts/spdxcheck.py -`;
942 if (-e ".git") {
943 …my $git_last_include_commit = `${git_command} log --no-merges --pretty=format:"%h%n" -1 -- include…
945 $camelcase_cache = ".checkpatch-camelcase.git.$git_last_include_commit";
948 $files = `find $root/include -name "*.h"`;
955 $camelcase_cache = ".checkpatch-camelcase.date.$last_mod_date";
958 if ($camelcase_cache ne "" && -f $camelcase_cache) {
970 if (-e ".git") {
971 $files = `${git_command} ls-files "include/*.h"`;
980 unlink glob ".checkpatch-camelcase.*";
993 return ($id, $desc) if ((which("git") eq "") || !(-e ".git"));
995 my $output = `${git_command} log --no-color --format='%H %s' -1 $commit 2>&1`;
1006 # git rev-list --remotes | grep -i "^$1" |
1008 # git log --format='%H %s' -1 $line |
1009 # echo "commit $(cut -c 1-12,41-)"
1028 my $fixlinenr = -1;
1031 # For example, HEAD-3 means we need check 'HEAD, HEAD~1, HEAD~2'.
1032 die "$P: No git repository found\n" if ($git && !-e ".git");
1038 if ($commit_expr =~ m/^(.*)-(\d+)$/) {
1039 $git_range = "-$2 $1";
1043 $git_range = "-1 $commit_expr";
1045 my $lines = `${git_command} log --no-color --no-merges --pretty=format:'%H %s' $git_range`;
1047 $line =~ /^([0-9a-fA-F]{40,40}) (.*)$/;
1064 open($FILE, '-|', "git format-patch -M --stdout -1 $filename") ||
1065 die "$P: $filename: git format-patch failed - $!\n";
1067 open($FILE, '-|', "diff -u /dev/null $filename") ||
1068 die "$P: $filename: diff failed - $!\n";
1069 } elsif ($filename eq '-') {
1073 die "$P: $filename: open failed - $!\n";
1075 if ($filename eq '-') {
1085 $vname = qq("$1") if ($filename eq '-' && $_ =~ m/^Subject:\s+(.+)/i);
1090 print '-' x length($vname) . "\n";
1092 print '-' x length($vname) . "\n";
1103 $fixlinenr = -1;
1141 if (! -e $root . '/' . $check) {
1187 if ($name =~ /[^\w \-]/i) { ##has "must quote" chars
1204 if ($name =~ /[^\w \-]/i) { ##has "must quote" chars
1222 if (-e "$path/$bin") {
1234 if (-e "$path/$conf") {
1389 return substr($rawline, $-[0], $+[0] - $-[0]);
1394 my $line = $linenr - 1;
1397 my $coff = $off - 1;
1411 @stack = (['', 0]) if ($#stack == -1);
1419 next if ($lines[$line] =~ /^-/);
1420 $remain--;
1447 ($type, $level) = @{$stack[$#stack - 1]};
1463 $coff = $off + length($1) - 1;
1466 #warn "[" . substr($blk, $soff, $coff - $soff + 1) . "]\n";
1474 $level--;
1488 $level--;
1500 $level--;
1511 $remain--;
1514 my $statement = substr($blk, $soff, $off - $soff + 1);
1515 my $condition = substr($blk, $soff, $coff - $soff + 1);
1523 $line, $remain + 1, $off - $loff + 1, $level);
1580 if (!($remain > 0 && $condition =~ /^\s*(?:\n[+-])?\s*(?:if|else|do)\b/s)) {
1590 last if (!($remain > 0 && $condition =~ /^(?:\s*\n[+-])*\s*(?:else|do)\b/s));
1601 my $start = $linenr - 1;
1610 next if ($rawlines[$line] =~ /^-/);
1611 $remain--;
1619 $level = $stack[$#stack - 1];
1627 $off--;
1632 $level--;
1681 my ($current_comment) = ($rawlines[$end_line - 1] =~ m@^\+.*(//.*$)@);
1683 ($current_comment) = ($rawlines[$end_line - 2] =~ m@^[\+ ].*(//.*$)@);
1689 ($current_comment) = ($rawlines[$end_line - 1] =~ m@.*(/\*.*\*/)\s*(?:\\\s*)?$@);
1697 my $line = $rawlines[$linenr - 1];
1721 ##print "LINE: $rawlines[$end_line - 1 ]\n";
1730 my $offset = $linenr - 1;
1736 next if (defined($line) && $line =~ /^-/);
1737 $cnt--;
1907 print "PAREN('$1') -> $type\n"
1963 } elsif ($cur =~ /^(-(?![->])|\+(?!\+)|\*|\&\&|\&)/o) {
1978 if ($1 ne '++' && $1 ne '--') {
2046 $type =~ tr/[a-z]/[A-Z]/;
2079 my @lines = split("\n", $output, -1);
2097 if ($$lineRef =~ /^\@\@ -\d+,\d+ \+(\d+),(\d+) \@\@/) {
2126 if ($line =~ /^(?:\+\+\+|\-\-\-)\s+\S+/) { #new filename
2128 } elsif ($line =~ /^\@\@ -\d+,\d+ \+\d+,\d+ \@\@/) { #new hunk
2136 fixup_current_range(\$lines[$range_last_linenr], $delta_offset--, -1);
2217 if (-f "$root/$file") {
2222 if (! -f _) {
2228 substr($prefix, -length($file)) = '';
2273 my $max_spaces_before_tab = $source_indent - 1;
2295 return -1;
2303 $pos += length($1) - 1;
2306 } elsif (index($string, '(') == -1) {
2333 my $is_binding_patch = -1;
2336 my $has_patch_separator = 0; #Found a --- line
2346 my $last_coalesced_string_linenr = -1;
2375 # Pre-scan the patch sanitizing the lines.
2376 # Pre-scan the patch looking for any __setup documentation.
2395 if ($1 =~ m@Documentation/admin-guide/kernel-parameters.txt$@) {
2400 if ($rawline =~ /^\@\@ -\d+(?:,\d+)? \+(\d+)(,(\d+))? \@\@/) {
2401 $realline=$1-1;
2416 next if (defined $rawlines[$ln - 1] &&
2417 $rawlines[$ln - 1] =~ /^-/);
2418 $cnt--;
2419 #print "RAW<$rawlines[$ln - 1]>\n";
2420 last if (!defined $rawlines[$ln - 1]);
2421 if ($rawlines[$ln - 1] =~ m@(/\*|\*/)@ &&
2422 $rawlines[$ln - 1] !~ m@"[^"]*(?:/\*|\*/)[^"]*"@) {
2445 # simplify matching -- only bother with positive lines.
2451 $realcnt-- if ($line =~ /^(?:\+| |$)/);
2457 #print "-->$line\n";
2468 $fixlinenr = -1;
2475 my $rawline = $rawlines[$linenr - 1];
2479 ($line =~ /^ mode change [0-7]+ => [0-7]+ \S+\s*$/ ||
2481 $line =~ /^diff --git a\/[\w\/\.\_\-]+ b\/\S+\s*$/))) {
2487 $line =~ /^\@\@ -\d+(?:,\d+)? \+(\d+)(,(\d+))? \@\@(.*)/) {
2491 $realline=$1-1;
2516 $realcnt-- if ($realcnt != 0);
2529 $realcnt--;
2539 if ($line =~ /^diff --git.*?(\S+)$/) {
2551 -e "$root/$p1_prefix") {
2553 "patch prefix '$p1_prefix' exists, appears to be a -p0 patch\n");
2558 …"do not modify files in include/asm, change architecture specific files in include/asm-<architectu…
2598 $is_binding_patch = () = $realfile =~ m@^(?:Documentation/devicetree/|include/dt-bindings/)@;
2600 if (($last_binding_patch != -1) &&
2603 …udes should be a separate patch. See: Documentation/devicetree/bindings/submitting-patches.rst\n");
2626 "Missing commit description - Add an appropriate one\n");
2634 $line =~ m@^\s*(?:\-\-\-\s+a/|\+\+\+\s+b/)@ ||
2635 $line =~ m/^\s*\@\@ \-\d+,\d+ \+\d+,\d+ \@\@/)) {
2637 "Avoid using diff content in the commit message - patch(1) might not work\n" . $herecurr);
2652 if (decode("MIME-Header", $line) =~ /^From:\s*(.*)/) {
2654 $author = encode("utf8", $author) if ($line =~ /=\?utf-8\?/i);
2659 if ($line =~ /^\s*signed-off-by:/i) {
2665 if ($l =~ /^\s*signed-off-by:\s*\Q$author\E/i) {
2672 if ($line =~ /^---$/) {
2679 $line =~ /^(\s*)([a-z0-9_-]+by:|$signature_tags)(\s*)(.*)/i) {
2688 "Non-standard signature: $sign_off\n" . $herecurr);
2698 if ($sign_off =~ /-by:$/i && $sign_off ne $ucfirst_sign_off) {
2746 # Check Co-developed-by: immediately followed by Signed-off-by: with same name and email
2747 if ($sign_off =~ /^co-developed-by:$/i) {
2750 …"Co-developed-by: should not be used to attribute nominal patch author '$author'\n" . "$here\n" . …
2754 … "Co-developed-by: must be immediately followed by Signed-off-by:\n" . "$here\n" . $rawline);
2755 } elsif ($rawlines[$linenr] !~ /^\s*signed-off-by:\s*(.*)/i) {
2757 …"Co-developed-by: must be immediately followed by Signed-off-by:\n" . "$here\n" . $rawline . "\n" …
2760 …"Co-developed-by and Signed-off-by: name/email do not match \n" . "$here\n" . $rawline . "\n" .$ra…
2772 # Check for Gerrit Change-Ids not in any patch context
2773 if ($realfile eq '' && !$has_patch_separator && $line =~ /^\s*change-id:/i) {
2775 "Remove Gerrit Change-Id's before submitting upstream\n" . $herecurr);
2783 $line =~ /^\s*\[\<[0-9a-fA-F]{8,}\>\]/) ||
2784 $line =~ /^(?:\s+\w+:\s+[0-9a-fA-F]+){3,3}/ ||
2785 $line =~ /^\s*\#\d+\s*\[[0-9a-fA-F]+\]\s*\w+ at [0-9a-fA-F]+/) {
2793 !($line =~ /^\s*[a-zA-Z0-9_\/\.]+\s+\|\s+\d+/ ||
2795 $line =~ /^\s*(?:[\w\.\-]+\/)++[\w\.\-]+:/ ||
2813 $line !~ /^\s*(?:Link|Patchwork|http|https|BugLink|base-commit):/i &&
2814 $line !~ /^This reverts commit [0-9a-f]{7,40}/ &&
2815 ($line =~ /\bcommit\s+[0-9a-f]{5,}\b/i ||
2816 ($line =~ /(?:\s|^)[0-9a-f]{12,40}(?:[\s"'\(\[]|$)/i &&
2817 $line !~ /[\<\[][0-9a-f]{12,40}[\>\]]/i &&
2818 $line !~ /\bfixes:\s*[0-9a-f]{12,40}/i))) {
2831 if ($line =~ /\b(c)ommit\s+([0-9a-f]{5,})\b/i) {
2834 } elsif ($line =~ /\b([0-9a-f]{12,40})\b/i) {
2838 $short = 0 if ($line =~ /\bcommit\s+[0-9a-f]{12,40}/i);
2839 $long = 1 if ($line =~ /\bcommit\s+[0-9a-f]{41,}/i);
2840 $space = 0 if ($line =~ /\bcommit [0-9a-f]/i);
2841 $case = 0 if ($line =~ /\b[Cc]ommit\s+[0-9a-f]{5,40}[^A-F]/);
2842 if ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("([^"]+)"\)/i) {
2845 } elsif ($line =~ /\bcommit\s+[0-9a-f]{5,}\s*$/i &&
2850 } elsif ($line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("[^"]+$/i &&
2853 $line =~ /\bcommit\s+[0-9a-f]{5,}\s+\("([^"]+)$/i;
2866 …it commit description style 'commit <12+ chars of sha1> (\"<title line>\")' - ie: '${init_char}omm…
2873 $line =~ /^rename (?:from|to) [\w\/\.\-]+\s*$/ ||
2874 ($line =~ /\{\s*([\w\/\.\-]*)\s*\=\>\s*([\w\/\.\-]*)\s*\}/ &&
2885 … "DT bindings should be in DT schema format. See: Documentation/devicetree/writing-schema.rst\n");
2889 if ($realcnt != 0 && $line !~ m{^(?:\+|-| |\\ No newline|$)}) {
2895 # UTF-8 regex found at http://www.w3.org/International/questions/qa-forms-utf-8.en.php
2905 "Invalid UTF-8, patch and commit message should be encoded in UTF-8\n" . $hereptr);
2912 $rawline =~ /^(?:commit\b|from\b|[\w-]+:)/i)) {
2918 # Check if there is UTF-8 in a commit log when a mail header has explicitly
2921 $rawline =~ /^Content-Type:.+charset="(.+)".*$/ &&
2922 $1 !~ /utf-8/i) {
2929 "8-bit UTF-8 used in possible commit log\n" . $herecurr);
2950 while ($rawline =~ /(?:^|[^a-z@])($misspellings)(?:\b|$|[^a-z@])/gi) {
2953 $typo_fix = ucfirst($typo_fix) if ($typo =~ /^[A-Z]/);
2954 $typo_fix = uc($typo_fix) if ($typo =~ /^[A-Z]+$/);
2958 "'$typo' may be misspelled - perhaps '$typo_fix'?\n" . $herecurr) &&
2960 $fixed[$fixlinenr] =~ s/(^|[^A-Za-z@])($typo)($|[^A-Za-z@])/$1$typo_fix$3/;
2966 if ($in_commit_log && $line =~ /(^fixes:|\bcommit)\s+([0-9a-f]{6,40})\b/i) {
2976 # ignore non-hunk lines and lines being removed
2977 next if (!$hunk_line || $line =~ /^-/);
3024 for (; $cnt > 0 && defined $lines[$ln - 1]; $ln++) {
3025 $f = $lines[$ln - 1];
3026 $cnt-- if ($lines[$ln - 1] !~ /^-/);
3027 $is_end = $lines[$ln - 1] =~ /^\+/;
3029 next if ($f =~ /^-/);
3032 if ($lines[$ln - 1] =~ /^\+\s*(?:bool|tristate|prompt)\s*["']/) {
3034 } elsif ($lines[$ln - 1] =~ /^\+\s*(?:---)?help(?:---)?$/) {
3035 $length = -1;
3064 if ($rawline =~ /^\+[A-Z]:/ &&
3065 $rawline !~ /^\+[A-Z]:\t\S/) {
3069 $fixed[$fixlinenr] =~ s/^(\+[A-Z]):\s*/$1:\t/;
3074 if ($rawline =~ /^\+[A-Z]:/ &&
3075 $prevrawline =~ /^[\+ ][A-Z]:/) {
3076 $rawline =~ /^\+([A-Z]):\s*(.*)/;
3079 $prevrawline =~ /^[\+ ]([A-Z]):\s*(.*)/;
3090 "Misordered MAINTAINERS entry - list '$cur:' before '$prev:'\n" . $hereprev);
3095 "Misordered MAINTAINERS entry - list file patterns in alphabetic order\n" . $hereprev);
3109 ($line =~ /\+(EXTRA_[A-Z]+FLAGS).*/)) {
3112 'EXTRA_AFLAGS' => 'asflags-y',
3113 'EXTRA_CFLAGS' => 'ccflags-y',
3114 'EXTRA_CPPFLAGS' => 'cppflags-y',
3115 'EXTRA_LDFLAGS' => 'ldflags-y',
3119 … of $flag is deprecated, please use \`$replacement->{$flag} instead.\n" . $herecurr) if ($replacem…
3133 my @compats = $rawline =~ /\"([a-zA-Z0-9\-\,\.\+_]+)\"/g;
3136 my $vp_file = $dt_path . "vendor-prefixes.txt";
3140 $compat2 =~ s/\,[a-zA-Z0-9]*\-/\,<\.\*>\-/;
3142 $compat3 =~ s/\,([a-z]*)[0-9]*\-/\,$1<\.\*>\-/;
3143 `grep -Erq "$compat|$compat2|$compat3" $dt_path`;
3146 "DT compatible string \"$compat\" appears un-documented -- check $dt_path\n" . $herecurr);
3149 next if $compat !~ /^([a-zA-Z0-9\-]+)\,/;
3151 `grep -Eq "^$vendor\\b" $vp_file`;
3154 … "DT compatible string vendor \"$vendor\" appears un-documented -- check $vp_file\n" . $herecurr);
3177 $rawline =~ /SPDX-License-Identifier:/ &&
3184 $rawline !~ m@^\+\Q$comment\E SPDX-License-Identifier: @) {
3186 … "Missing or malformed SPDX-License-Identifier tag in line $checklicenseline\n" . $herecurr);
3187 } elsif ($rawline =~ /(SPDX-License-Identifier: .*)/) {
3194 not $spdx_license =~ /GPL-2\.0.*BSD-2-Clause/) {
3199 "DT binding documents should be licensed (GPL-2.0-only OR BSD-2-Clause)\n" . $herecurr) &&
3201 …$fixed[$fixlinenr] =~ s/SPDX-License-Identifier: .*/SPDX-License-Identifier: (GPL-2.0-only OR BSD-…
3211 # check for using SPDX-License-Identifier on the wrong line number
3213 $rawline =~ /\bSPDX-License-Identifier:/ &&
3214 substr($line, @-, @+ - @-) eq "$;" x (@+ - @-)) {
3216 "Misplaced SPDX-License-Identifier tag - use line $checklicenseline instead\n" . $herecurr);
3219 # line length limit (with some exclusions)
3243 length(expand_tabs(substr($line, 1, length($line) - length($1) - 1))) <= $max_line_length) {
3258 } elsif ($rawline =~ /^\+.*\b[a-z][\w\.\+\-]*:\/\/\S+/i) {
3265 length(expand_tabs(substr($line, 1, length($line) - length($1) - 1))) <= $max_line_length) {
3270 length(expand_tabs(substr($line, 1, length($line) - length($1) - 1))) <= $max_line_length) {
3293 # more than $tabsize must use tabs, except multi-line macros which may start
3381 # check multi-line statement indentation matches previous line
3489 $line =~ /^\+[a-z_]*init/ ||
3490 $line =~ /^\+\s*(?:static\s+)?[A-Z_]*ATTR/ ||
3504 $last_blank_line != ($linenr - 1)) {
3560 # 4) empty lines in multi-line macros
3651 (!defined $lines[$realline_next - 1] ||
3652 substr($lines[$realline_next - 1], $off_next) =~ /^\s*$/)) {
3732 …if ($line =~ /(.*)\b((?:if|while|for|switch|(?:[A-Z_]+|)FOR_EACH(?!_NONEMPTY_TERM)[A-Z_]+)\s*\(|do…
3739 "Too many leading tabs - consider code refactoring\n" . $herecurr);
3742 my $ctx_cnt = $realcnt - $#ctx - 1;
3749 defined $lines[$ctx_ln - 1] &&
3750 $lines[$ctx_ln - 1] =~ /^-/)) {
3752 $ctx_skip-- if (!defined $lines[$ctx_ln - 1] || $lines[$ctx_ln - 1] !~ /^-/);
3757 #print "pre<$pre_ctx>\nline<$line>\nctx<$ctx>\nnext<$lines[$ctx_ln - 1]>\n";
3759 if ($ctx !~ /{\s*/ && defined($lines[$ctx_ln - 1]) && $lines[$ctx_ln - 1] =~ /^\+\s*{/) {
3762 "$here\n$ctx\n$rawlines[$ctx_ln - 1]\n");
3766 defined $lines[$ctx_ln - 1])
3768 my ($nlength, $nindent) = line_stats($lines[$ctx_ln - 1]);
3772 "$here\n$ctx\n$rawlines[$ctx_ln - 1]\n");
3778 …if ($line =~ /\b(?:(?:if|while|for|(?:[A-Z_]+|)FOR_EACH(?!_NONEMPTY_TERM|_IDX|_FIXED_ARG|_IDX_FIXE…
3826 my $cond_ptr = -1;
3889 $prev_values = substr($curr_values, -1);
3895 if ($prevline =~ /^\+.*$Lval\s*(?:\.|->)\s*$/ &&
3897 $prevline =~ /($Lval\s*(?:\.|->))\s*$/;
3903 "Avoid multiple line dereference - prefer '$ref'\n" . $hereprev);
3959 fix_delete_line($fixlinenr - 1, $prevrawline);
4005 #print "APW <$lines[$realline_next - 1]>\n";
4007 exists $lines[$realline_next - 1] &&
4009 ($lines[$realline_next - 1] =~ /EXPORT_SYMBOL.*\((.*)\)/ ||
4010 $lines[$realline_next - 1] =~ /EXPORT_UNUSED_SYMBOL.*\((.*)\)/)) {
4016 if ($stat =~ /^(?:.\s*}\s*\n)?.([A-Z_]+)\s*\(\s*($Ident)/ &&
4029 #print "FOO A<$lines[$realline_next - 1]> stat<$stat> name<$name>\n";
4039 #print "FOO B <$lines[$linenr - 1]>\n";
4128 # check for non-global char *foo[] = {"bar", ...} declarations.
4151 "Bad function definition - $1() should probably be $1(void)\n" . $herecurr) &&
4231 …"Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON()\n" . …
4247 if ($line =~ /\bprintk\s*\(\s*(?!KERN_[A-Z]+\b)/) {
4252 if ($line =~ /\bprintk\s*\(\s*KERN_([A-Z]+)/) {
4262 if ($line =~ /\bdev_printk\s*\(\s*KERN_([A-Z]+)/) {
4318 fix_delete_line($fixlinenr - 1, $prevrawline);
4411 # 1. with a type on the left -- int [] a;
4412 # 2. at the beginning of a line for slice initialisers -- [0...10] = 5,
4413 # 3. inside a curly brace -- = { [0...10] = 5 }
4416 my ($where, $prefix) = ($-[1], $1);
4434 my $ctx_before = substr($line, 0, $-[1]);
4444 # cpp #define statements have non-optional spaces, ie
4473 \+=|-=|\*=|\/=|%=|\^=|\|=|&=|
4474 =>|->|<<|>>|<|>|=|!|~|
4475 &&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/|%|
4496 my $last_after = -1;
4575 # ->
4576 } elsif ($op eq '->') {
4618 # '*' as part of a type definition -- reported already.
4626 $opv eq '*U' || $opv eq '-U' ||
4628 if ($ctx !~ /[WEBC]x./ && $ca !~ /(?:\)|!|~|\*|-|\&|\||\+\+|\-\-|\{)$/) {
4651 # unary ++ and unary -- are allowed no space on one side.
4652 } elsif ($op eq '++' or $op eq '--') {
4682 $op eq '+' or $op eq '-' or
4784 # check for whitespace before a non-naked semicolon
4885 # ie: &(foo->bar) should be &foo->bar and *(foo->bar) should be *foo->bar
4897 # ie: (foo->bar)(); should be foo->bar();
4898 # but not "if (foo->bar) (" to avoid some false positives
4911 # when !drivers/staging or command-line uses --strict
4916 my $test = substr($2, 1, -1);
4940 if ($sline =~ /^.\s+[A-Za-z_][A-Za-z\d_]*:(?!\s*\d+)/ &&
4941 $sline !~ /^. [A-Za-z\d_][A-Za-z\d_]*:/ &&
4969 # at end-of-function, with the previous line a single leading tab, then return;
4974 $lines[$linenr - 3] =~ /^[ +]/ &&
4975 $lines[$linenr - 3] !~ /^[ +]\s*$Ident\s*:/) {
4980 # if statements using unnecessary parentheses - ie: if ((foo == bar))
4988 $msg = " - maybe == should be = ?" if ($comp eq "==");
4999 …!($line =~ /^\+(.*)($Constant|[A-Z_][A-Z0-9_]*)\s*($Compare)\s*(.*)($Constant|[A-Z_][A-Z0-9_]*)(.*…
5000 $line =~ /^\+(.*)\b($Constant|[A-Z_][A-Z0-9_]*)\s*($Compare)\s*($LvalOrFunc)/) {
5007 $to !~ /^(?:Constant|[A-Z_][A-Z0-9_]*)$/ &&
5025 if ($sline =~ /\breturn(?:\s*\(+\s*|\s+)(E[A-Z]+)(?:\s*\)+\s*|\s*)[;:,]/) {
5031 "return of an errno should typically be negative (ie: return -$1)\n" . $herecurr);
5046 # Check for illegal assignment in if conditional -- and check for trailing
5061 ($stat_next =~ /^((?:\s*\n[+-])*\s*)/s);
5063 statement_rawlines($whitespace) - 1;
5129 \s*0[xX][0-9]+\s*
5133 \s*0[xX][0-9]+\s*
5174 fix_delete_line($fixlinenr - 1, $prevrawline);
5200 fix_delete_line($fixlinenr - 1, $prevrawline);
5218 $var =~ /[A-Z][a-z]|[a-z][A-Z]/ &&
5220 $var !~ /^(?:Clear|Set|TestClear|TestSet|)Page[A-Z]/ &&
5223 $var !~ /^(?:[a-z0-9_]*|[A-Z0-9_]*)?_?[a-z][A-Z](?:_[a-z0-9_]+|_[A-Z0-9_]+)?$/ &&
5225 $var !~ /^(?:[a-z_]*?)_?(?:[KMGT]iB|[KMGT]?Hz)(?:_[a-z_]+)?$/) {
5228 next if ($word !~ /[A-Z][a-z]|[a-z][A-Z]/);
5259 if (-f "$root/$checkfile" &&
5263 my $asminclude = `grep -Ec "#include\\s+<asm/$file>" $root/$checkfile`;
5276 # multi-statement macros should be enclosed in a do while loop, grab the
5291 #print "LINE<$lines[$ln-1]> len<" . length($lines[$ln-1]) . "\n";
5302 $define_args = substr($define_args, 1, length($define_args) - 2);
5349 $dstat !~ /^(?:$Ident|-?$Constant),$/ && # 10, // foo(),
5350 $dstat !~ /^(?:$Ident|-?$Constant);$/ && # foo();
5351 …$dstat !~ /^[!~-]?(?:$Lval|$Constant)$/ && # 10 // foo() // !foo // ~foo // -foo // foo->bar // f…
5358 $dstat !~ /^for\s*$Constant\s+(?:$Ident|-?$Constant)$/ && # for (...) bar()
5365 …"Macros starting with if should be enclosed by a do - while loop to avoid possible if/else logic d…
5368 … "Macros with multiple statements should be enclosed in a do - while loop\n" . "$herectx");
5376 # Make $define_stmt single line, comment-free, etc
5404 "Macro argument reuse '$arg' - possible side-effects?\n" . "$herectx");
5438 # single-statement macros do not need to be enclosed in do while (0) loop,
5492 my $ln = $linenr - 1;
5497 my ($whitespace) = ($cond =~ /^((?:\s*\n[+-])*\s*)/s);
5498 my $offset = statement_rawlines($whitespace) - 1;
5508 $ln += statement_rawlines($block) - 1;
5535 if (!defined $suppress_ifbraces{$linenr - 1} &&
5538 # Check the pre-context for:
5541 if (substr($line, 0, $-[0]) =~ /([\#\}]\s*)$/) {
5547 ctx_statement_full($linenr, $realcnt, $-[0]);
5580 fix_delete_line($fixlinenr - 1, $prevrawline);
5595 …"Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst\n" . …
5598 # Check for user-visible strings broken across lines, which breaks the ability
5604 $prevrawline !~ /(?:\\(?:[ntr]|[0-7]{1,3}|x[0-9a-fA-F]{1,2})|;\s*|\{\s*)"\s*$/) {
5609 $last_coalesced_string_linenr != $linenr - 1) {
5616 fix_delete_line($fixlinenr - 1, $prevrawline);
5621 fix_insert_line($fixlinenr - 1, $fixedline);
5638 # This does not work very well for -f --file checking as it depends on patch
5639 # context providing the function name or a single line form for in-file
5660 if ($line =~ /$String[A-Za-z0-9_]/ || $line =~ /[A-Za-z0-9_]$String/) {
5665 my $extracted_string = substr($rawline, $-[0], $+[0] - $-[0]);
5666 $fixed[$fixlinenr] =~ s/\Q$extracted_string\E([A-Za-z0-9_])/$extracted_string $1/;
5667 $fixed[$fixlinenr] =~ s/([A-Za-z0-9_])\Q$extracted_string\E/$1 $extracted_string/;
5678 my $extracted_string = substr($rawline, $-[0], $+[0] - $-[0]);
5679 $fixed[$fixlinenr] =~ s/\Q$extracted_string\E\s*"/substr($extracted_string, 0, -1)/e;
5684 # check for non-standard and hex prefixed decimal printf formats
5688 my $string = substr($rawline, $-[1], $+[1] - $-[1]);
5693 "\%L$1 is non-standard C, use %ll$1\n" . $herecurr);
5699 "%Z$1 is non-standard C, use %z$1\n" . $herecurr);
5739 if ($lines[$linenr - 2] =~ /^\+(\t*)if\s*\(\s*$tested\s*\)\s*$/) {
5744 if ($lines[$linenr - 1] =~ /^\+(\t+)$func\s*\(\s*$tested\s*\)\s*;\s*$/) {
5753 fix_delete_line($fixlinenr - 1, $prevrawline);
5766 my $testline = $lines[$linenr - 3];
5768 my ($s, $c) = ctx_statement_block($linenr - 3, $realcnt, 0);
5780 $line =~ /\b$logFunctions\s*\(.*\b(KERN_[A-Z]+)\b/) {
5800 … "Possible precedence defect with mask then right shift - may need parentheses\n" . $herecurr);
5864 # check for __read_mostly with const non-pointer (should just be const)
5893 … "usleep_range is preferred over udelay; see Documentation/timers/timers-howto.rst\n" . $herecurr);
5897 "long udelay - prefer mdelay; see arch/arm/include/asm/delay.h\n" . $herecurr);
5905 …"msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.rst\n" . $herecurr);
5978 if ($realfile !~ m@^include/asm-generic/@ &&
5983 "__smp memory barriers shouldn't be used outside barrier.h and asm-generic\n" . $herecurr);
6003 … m@^.\s*\#\s*if.*\b(__i386__|__powerpc64__|__sun__|__s390x__)\b@ && $realfile !~ m@include/asm-@) {
6058 my $old = substr($rawline, $-[1], $+[1] - $-[1]);
6059 my $new = substr($old, 1, -1);
6071 …"__printf(string-index, first-to-check) is preferred over __attribute__((format(printf, string-ind…
6082 …"__scanf(string-index, first-to-check) is preferred over __attribute__((format(scanf, string-index…
6183 my $fmt = get_quoted_string($lines[$count - 1], raw_line($count, 0));
6209 $use = " - use %pS instead";
6311 …"usleep_range should not use min == max args; see Documentation/timers/timers-howto.rst\n" . "$her…
6315 …"usleep_range args reversed, use min then max; see Documentation/timers/timers-howto.rst\n" . "$he…
6433 …"__setup appears un-documented -- check Documentation/admin-guide/kernel-parameters.txt\n" . $here…
6440 … "unnecessary cast may hide bugs, see http://c-faq.com/malloc/mallocnocast.html\n" . $herecurr);
6467 !($r1 =~ /^$Constant$/ || $r1 =~ /^[A-Z_][A-Z0-9_]*$/)) {
6519 "do not specify non-standard feature test macros for embedded code\n" . "$here$rawline\n");
6529 …if ($line =~ /^\+\s*#\s*if\s+defined(?:\s*\(?\s*|\s+)(CONFIG_[A-Z_]+)\s*\)?\s*\|\|\s*defined(?:\s*…
6561 "Use of the '$1' macro makes the build non-deterministic\n" . $herecurr);
6573 "Using yield() is generally wrong. See yield() kernel-doc (sched/core.c)\n" . $herecurr);
6654 …"usage of NR_CPUS is often wrong - consider using cpu_possible(), num_possible_cpus(), for_each_po…
6660 … "#define of '$1' is wrong - use Kconfig variables or standard guards instead\n" . $herecurr);
6700 "lockdep_no_validate class is reserved for device->mutex.\n" . $herecurr);
6715 …E_ATTR\s*\(\s*(\w+)\s*,\s*\(?\s*(\s*(?:${multi_mode_perms_string_search}|0[0-7]{3,3})\s*)\s*\)?\s*…
6777 my $func = $entry->[0];
6778 my $arg_pos = $entry->[1];
6786 $arg_pos--;
6845 if ($#rawlines == -1) {
6855 # This is not a patch, and we are are in 'no-patch' mode so
6861 if (!$is_patch && $filename !~ /cover-letter\.patch$/) {
6863 "Does not appear to be a unified-diff format patch\n");
6868 "Missing Signed-off-by: line(s)\n");
6871 "Missing Signed-off-by: line by nominal patch author '$author'\n");
6889 mechanically convert to the typical style using --fix or --fix-inplace.
6908 $newfile .= ".EXPERIMENTAL-checkpatch-fixes" if (!$fix_inplace);
6932 Wrote EXPERIMENTAL --fix correction(s) to '$newfile'