Lines Matching +full:url +full:- +full:base
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>
25 my $SOF = 1; # enables SOF-specific behaviour
69 my $docsfile = "$D/../Documentation/dev-tools/checkpatch.rst";
72 my $allow_c99_comments = 1; # Can be overridden by --ignore C99_COMMENT_TOLERANCE
74 my $git_command ='export LANGUAGE=en_US.UTF-8; git';
86 -q, --quiet quiet
87 -v, --verbose verbose mode
88 --no-tree run without a kernel tree
89 --no-signoff do not check for 'Signed-off-by' line
90 --patch treat FILE as patchfile (default)
91 --emacs emacs compile window format
92 --terse one line per report
93 --showfile emit diffed file position, not input file position
94 -g, --git treat FILE as a single commit or git revision range
102 <rev>-<count>
104 -f, --file treat FILE as regular source file
105 --subjective, --strict enable more subjective tests
106 --list-types list the possible message types
107 --types TYPE(,TYPE2...) show only these comma separated message types
108 --ignore TYPE(,TYPE2...) ignore various comma separated message types
109 --show-types show the specific message type in the output
110 --max-line-length=n set the maximum line length, (default $max_line_length)
112 requires --strict for use with --file
113 --min-conf-desc-length=n set the min description length, if shorter, warn
114 --tab-size=n set the number of spaces for tab (default $tabsize)
115 --root=PATH PATH to the kernel tree root
116 --no-summary suppress the per-file summary
117 --mailback only produce a report in case of warnings/errors
118 --summary-file include the filename in summary
119 --debug KEY=[0|1] turn on/off debugging of KEY, where KEY is one of
122 --test-only=WORD report only warnings/errors containing WORD
124 --fix EXPERIMENTAL - may create horrible results
125 If correctable single-line errors exist, create
126 "<inputfile>.EXPERIMENTAL-checkpatch-fixes"
129 --fix-inplace EXPERIMENTAL - may create horrible results
130 Is the same as --fix, but overwrites the input
132 --ignore-perl-version override checking of perl version. expect
134 --codespell Use the codespell dictionary for spelling/typos
136 --codespellfile Use this codespell dictionary
137 --typedefsfile Read additional types from this file
138 --color[=WHEN] Use colors 'always', 'never', or only when output
140 --kconfig-prefix=WORD use WORD as a prefix for Kconfig symbols (default
142 -h, --help, --version display this help and exit
144 When FILE is - read standard input.
219 if (-f $conf) {
285 # Prevent --color by itself from consuming other arguments
287 if ($_ eq "--color" || $_ eq "-color") {
288 $_ = "--color=$color";
307 'show-types!' => \$show_types,
308 'list-types!' => \$list_types,
309 'max-line-length=i' => \$max_line_length,
310 'min-conf-desc-length=i' => \$min_conf_desc_length,
311 'tab-size=i' => \$tabsize,
315 'summary-file!' => \$summary_file,
317 'fix-inplace!' => \$fix_inplace,
318 'ignore-perl-version!' => \$ignore_perl_version,
320 'test-only=s' => \$tst_only,
325 'no-color' => \$color, #keep old behaviors of -nocolor
326 'nocolor' => \$color, #keep old behaviors of -nocolor
327 'kconfig-prefix=s' => \${CONFIG_},
335 } elsif (!(-f $codespellfile)) {
348 my $codespell_dict = `python -c "$python_codespell_dict" 2> /dev/null`;
349 $codespellfile = $codespell_dict if (-f $codespell_dict);
353 # $help is 1 if either -h, --help or --version is passed as option - exitcode: 0
354 # $help is 2 if invalid option is passed - exitcode: 1
355 help($help - 1) if ($help);
357 die "$P: --git cannot be used with --file or --fix\n" if ($git && ($file || $fix));
358 die "$P: --verbose cannot be used with --terse\n" if ($verbose && $terse);
367 $color = (-t STDOUT);
387 #if no filenames are given, push '-' to read patch from stdin
389 push(@ARGV, '-');
392 # skip TAB size 1 to avoid additional checks on $tabsize - 1
403 $word =~ tr/[a-z]/[A-Z]/;
408 $hashRef->{$word}++;
447 die "$P: $root: --root does not point at a valid tree\n";
459 print "Must be run from the top-level dir. of a kernel tree\n";
467 [A-Za-z_][A-Za-z\d_]*
468 (?:\s*\#\#\s*[A-Za-z_][A-Za-z\d_]*)*
524 our $Member = qr{->$Ident|\.$Ident|\[[^]]*\]};
529 our $Hex = qr{(?i)0x[0-9a-f]+$Int_type?};
530 our $Int = qr{[0-9]+$Int_type?};
531 our $Octal = qr{0[0-7]+$Int_type?};
533 our $Float_hex = qr{(?i)0x[0-9a-f]+p-?[0-9]+[fl]?};
534 our $Float_dec = qr{(?i)(?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?};
535 our $Float_int = qr{(?i)[0-9]+e-?[0-9]+[fl]?};
538 our $Assignment = qr{\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=};
539 our $Compare = qr{<=|>=|==|!=|<|(?<!-)>};
540 our $Arithmetic = qr{\+|-|\*|\/|%};
543 =>|->|<<|>>|<|>|!|~|
544 &&|\|\||,|\^|\+\+|--|&|\||$Arithmetic
559 [\xC2-\xDF][\x80-\xBF] # non-overlong 2-byte
560 | \xE0[\xA0-\xBF][\x80-\xBF] # excluding overlongs
561 | [\xE1-\xEC\xEE\xEF][\x80-\xBF]{2} # straight 3-byte
562 | \xED[\x80-\x9F][\x80-\xBF] # excluding surrogates
563 | \xF0[\x90-\xBF][\x80-\xBF]{2} # planes 1-3
564 | [\xF1-\xF3][\x80-\xBF]{3} # planes 4-15
565 | \xF4[\x80-\x8F][\x80-\xBF]{2} # plane 16
569 [\x09\x0A\x0D\x20-\x7E] # ASCII
592 …(?:[a-z0-9]+_){1,2}(?:printk|emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|co…
596 MODULE_[A-Z_]+|
598 trace[a-z_]+
612 Signed-off-by:|
613 Co-developed-by:|
614 Acked-by:|
615 Tested-by:|
616 Reviewed-by:|
617 Reported-by:|
618 Suggested-by:|
624 [=-]*> |
625 <[=-]* |
655 for my $i (0 .. ($len-1)) {
667 $str1 =~ s/-//g;
668 $str2 =~ s/-//g;
679 } elsif (substr($str1, $i-1, 1) eq substr($str2, $j-1, 1)) {
680 $distance[$i][$j] = $distance[$i - 1][$j - 1];
682 my $dist1 = $distance[$i][$j - 1]; #insert distance
683 my $dist2 = $distance[$i - 1][$j]; # remove
684 my $dist3 = $distance[$i - 1][$j - 1]; #replace
695 'Signed-off-by:', 'Co-developed-by:', 'Acked-by:', 'Tested-by:',
696 'Reviewed-by:', 'Reported-by:', 'Suggested-by:'
787 ["IIO_DEV_ATTR_[A-Z_]+", 1],
793 my $word_pattern = '\b[A-Z]?[a-z]{2,}\b';
799 $mode_perms_search .= $entry->[0];
829 0[0-7][0-7][2367]
866 return trim($string) if ($string =~ /^\s*0[0-7]{3,3}\s*$/);
877 last if ($lastpos > 0 && ($curpos - length($omatch) != $lastpos));
917 warn "No typos will be found - file '$spelling_file': $!\n";
934 my ($suspect, $fix) = split(/->/, $line);
940 warn "No codespell typos will be found - file '$codespellfile': $!\n";
959 print("$file: '$line' invalid - ignored\n");
976 or warn "No structs that should be const will be found - file '$conststructsfile': $!\n";
982 or warn "No additional types will be considered - file '$typedefsfile': $!\n";
1042 our $balanced_parens = qr/(\((?:[^\(\)]++|(?-1))*\))/;
1047 (?:$Storage\s+)?(?:[A-Z_][A-Z0-9]*_){0,2}(?:DEFINE|DECLARE)(?:_[A-Z0-9]+){1,6}\s*\(|
1076 return if (!(-f $file));
1088 next if ($line !~ /(?:[A-Z][a-z]|[a-z][A-Z])/);
1089 if ($line =~ /^[ \t]*(?:#[ \t]*define|typedef\s+$Type)\s+(\w*(?:[A-Z][a-z]|[a-z][A-Z])\w*)/) {
1091 } elsif ($line =~ /^\s*$Declare\s+(\w*(?:[A-Z][a-z]|[a-z][A-Z])\w*)\s*[\(\[,;]/) {
1093 } elsif ($line =~ /^\s*(?:union|struct|enum)\s+(\w*(?:[A-Z][a-z]|[a-z][A-Z])\w*)\s*[;\{]/) {
1104 return 0 if (!$tree || !(-e "$root/scripts/get_maintainer.pl"));
1107 …s{$filename} = `perl $root/scripts/get_maintainer.pl --status --nom --nol --nogit --nogit-fallback…
1116 …return 1 if (!$tree || which("python3") eq "" || !(-x "$root/scripts/spdxcheck.py") || !(-e "$gitr…
1119 my $status = `cd "$root_path"; echo "$license" | scripts/spdxcheck.py -`;
1134 if (-e "$gitroot") {
1135 …my $git_last_include_commit = `${git_command} log --no-merges --pretty=format:"%h%n" -1 -- include…
1137 $camelcase_cache = ".checkpatch-camelcase.git.$git_last_include_commit";
1140 $files = `find $root/include -name "*.h"`;
1147 $camelcase_cache = ".checkpatch-camelcase.date.$last_mod_date";
1150 if ($camelcase_cache ne "" && -f $camelcase_cache) {
1162 if (-e "$gitroot") {
1163 $files = `${git_command} ls-files "include/*.h"`;
1172 unlink glob ".checkpatch-camelcase.*";
1185 return 0 if ((which("git") eq "") || !(-e "$gitroot"));
1187 my $output = `${git_command} ls-files -- $filename 2>/dev/null`;
1195 return ($id, $desc) if ((which("git") eq "") || !(-e "$gitroot"));
1197 my $output = `${git_command} log --no-color --format='%H %s' -1 $commit 2>&1`;
1208 # git rev-list --remotes | grep -i "^$1" |
1210 # git log --format='%H %s' -1 $line |
1211 # echo "commit $(cut -c 1-12,41-)"
1231 my $fixlinenr = -1;
1234 # For example, HEAD-3 means we need check 'HEAD, HEAD~1, HEAD~2'.
1235 die "$P: No git repository found\n" if ($git && !-e "$gitroot");
1241 if ($commit_expr =~ m/^(.*)-(\d+)$/) {
1242 $git_range = "-$2 $1";
1246 $git_range = "-1 $commit_expr";
1248 my $lines = `${git_command} log --no-color --no-merges --pretty=format:'%H %s' $git_range`;
1250 $line =~ /^([0-9a-fA-F]{40,40}) (.*)$/;
1270 open($FILE, '-|', "git format-patch -M --stdout -1 $filename") ||
1271 die "$P: $filename: git format-patch failed - $!\n";
1273 open($FILE, '-|', "diff -u /dev/null $filename") ||
1274 die "$P: $filename: diff failed - $!\n";
1275 } elsif ($filename eq '-') {
1279 die "$P: $filename: open failed - $!\n";
1281 if ($filename eq '-') {
1291 $vname = qq("$1") if ($filename eq '-' && $_ =~ m/^Subject:\s+(.+)/i);
1296 print '-' x length($vname) . "\n";
1298 print '-' x length($vname) . "\n";
1309 $fixlinenr = -1;
1356 if (! -e $root . '/' . $check) {
1400 # "John D. (Doe)" - Do not extract
1414 if ($name =~ /[^\w \-]/i) { ##has "must quote" chars
1431 if ($name =~ /[^\w \-]/i) { ##has "must quote" chars
1473 if (-e "$path/$bin") {
1485 if (-e "$path/$conf") {
1640 return substr($rawline, $-[0], $+[0] - $-[0]);
1645 my $line = $linenr - 1;
1648 my $coff = $off - 1;
1662 @stack = (['', 0]) if ($#stack == -1);
1670 next if ($lines[$line] =~ /^-/);
1671 $remain--;
1698 ($type, $level) = @{$stack[$#stack - 1]};
1714 $coff = $off + length($1) - 1;
1717 #warn "[" . substr($blk, $soff, $coff - $soff + 1) . "]\n";
1725 $level--;
1739 $level--;
1751 $level--;
1762 $remain--;
1765 my $statement = substr($blk, $soff, $off - $soff + 1);
1766 my $condition = substr($blk, $soff, $coff - $soff + 1);
1774 $line, $remain + 1, $off - $loff + 1, $level);
1831 if (!($remain > 0 && $condition =~ /^\s*(?:\n[+-])?\s*(?:if|else|do)\b/s)) {
1841 last if (!($remain > 0 && $condition =~ /^(?:\s*\n[+-])*\s*(?:else|do)\b/s));
1852 my $start = $linenr - 1;
1861 next if ($rawlines[$line] =~ /^-/);
1862 $remain--;
1870 $level = $stack[$#stack - 1];
1878 $off--;
1883 $level--;
1932 my ($current_comment) = ($rawlines[$end_line - 1] =~ m@^\+.*(//.*$)@);
1934 ($current_comment) = ($rawlines[$end_line - 2] =~ m@^[\+ ].*(//.*$)@);
1940 ($current_comment) = ($rawlines[$end_line - 1] =~ m@.*(/\*.*\*/)\s*(?:\\\s*)?$@);
1948 my $line = $rawlines[$linenr - 1];
1972 ##print "LINE: $rawlines[$end_line - 1 ]\n";
1981 my $offset = $linenr - 1;
1987 next if (defined($line) && $line =~ /^-/);
1988 $cnt--;
2158 print "PAREN('$1') -> $type\n"
2214 } elsif ($cur =~ /^(-(?![->])|\+(?!\+)|\*|\&\&|\&)/o) {
2229 if ($1 ne '++' && $1 ne '--') {
2297 $type =~ tr/[a-z]/[A-Z]/;
2330 my @lines = split("\n", $output, -1);
2357 if ($$lineRef =~ /^\@\@ -\d+,\d+ \+(\d+),(\d+) \@\@/) {
2386 if ($line =~ /^(?:\+\+\+|\-\-\-)\s+\S+/) { #new filename
2388 } elsif ($line =~ /^\@\@ -\d+,\d+ \+\d+,\d+ \@\@/) { #new hunk
2396 fixup_current_range(\$lines[$range_last_linenr], $delta_offset--, -1);
2477 if (-f "$root/$file") {
2482 if (! -f _) {
2488 substr($prefix, -length($file)) = '';
2533 my $max_spaces_before_tab = $source_indent - 1;
2555 return -1;
2563 $pos += length($1) - 1;
2566 } elsif (index($string, '(') == -1) {
2578 for my $i (0 .. (length($line) - 1)) {
2616 my $is_binding_patch = -1;
2619 my $has_patch_separator = 0; #Found a --- line
2630 my $last_git_commit_id_linenr = -1;
2633 my $last_coalesced_string_linenr = -1;
2662 # Pre-scan the patch sanitizing the lines.
2663 # Pre-scan the patch looking for any __setup documentation.
2682 if ($1 =~ m@Documentation/admin-guide/kernel-parameters.txt$@) {
2687 if ($rawline =~ /^\@\@ -\d+(?:,\d+)? \+(\d+)(,(\d+))? \@\@/) {
2688 $realline=$1-1;
2703 next if (defined $rawlines[$ln - 1] &&
2704 $rawlines[$ln - 1] =~ /^-/);
2705 $cnt--;
2706 #print "RAW<$rawlines[$ln - 1]>\n";
2707 last if (!defined $rawlines[$ln - 1]);
2708 if ($rawlines[$ln - 1] =~ m@(/\*|\*/)@ &&
2709 $rawlines[$ln - 1] !~ m@"[^"]*(?:/\*|\*/)[^"]*"@) {
2732 # simplify matching -- only bother with positive lines.
2748 $realcnt-- if ($line =~ /^(?:\+| |$)/);
2754 #print "-->$line\n";
2765 $fixlinenr = -1;
2772 my $rawline = $rawlines[$linenr - 1];
2777 ($line =~ /^ mode change [0-7]+ => [0-7]+ \S+\s*$/ ||
2779 $line =~ /^diff --git a\/[\w\/\.\_\-]+ b\/\S+\s*$/))) {
2785 $line =~ /^\@\@ -\d+(?:,\d+)? \+(\d+)(,(\d+))? \@\@(.*)/) {
2789 $realline=$1-1;
2814 $realcnt-- if ($realcnt != 0);
2827 $realcnt--;
2837 if ($line =~ /^diff --git.*?(\S+)$/) {
2849 -e "$root/$p1_prefix") {
2851 "patch prefix '$p1_prefix' exists, appears to be a -p0 patch\n");
2856 …"do not modify files in include/asm, change architecture specific files in include/asm-<architectu…
2887 $is_binding_patch = () = $realfile =~ m@^(?:Documentation/devicetree/|include/dt-bindings/)@;
2889 if (($last_binding_patch != -1) &&
2892 …udes should be a separate patch. See: Documentation/devicetree/bindings/submitting-patches.rst\n");
2915 "Missing commit description - Add an appropriate one\n");
2923 $line =~ m@^\s*(?:\-\-\-\s+a/|\+\+\+\s+b/)@ ||
2924 $line =~ m/^\s*\@\@ \-\d+,\d+ \+\d+,\d+ \@\@/)) {
2926 "Avoid using diff content in the commit message - patch(1) might not work\n" . $herecurr);
2941 if (decode("MIME-Header", $line) =~ /^From:\s*(.*)/) {
2947 $author = encode("utf8", $author) if ($line =~ /=\?utf-8\?/i);
2953 if ($line =~ /^\s*signed-off-by:\s*(.*)/i) {
2992 if ($line =~ /^---$/) {
3005 $line =~ /^(\s*)([a-z0-9_-]+by:|$signature_tags)(\s*)(.*)/i) {
3016 "Non-standard signature: $sign_off\n" . $herecurr);
3019 "Non-standard signature: '$sign_off' - perhaps '$suggested_signature'?\n" . $herecurr) &&
3033 if ($sign_off =~ /-by:$/i && $sign_off ne $ucfirst_sign_off) {
3097 $cur_name =~ s/[a-zA-Z\s\-\"]+//g;
3147 # Check Co-developed-by: immediately followed by Signed-off-by: with same name and email
3148 if ($sign_off =~ /^co-developed-by:$/i) {
3151 …"Co-developed-by: should not be used to attribute nominal patch author '$author'\n" . "$here\n" . …
3155 … "Co-developed-by: must be immediately followed by Signed-off-by:\n" . "$here\n" . $rawline);
3156 } elsif ($rawlines[$linenr] !~ /^\s*signed-off-by:\s*(.*)/i) {
3158 …"Co-developed-by: must be immediately followed by Signed-off-by:\n" . "$here\n" . $rawline . "\n" …
3161 …"Co-developed-by and Signed-off-by: name/email do not match \n" . "$here\n" . $rawline . "\n" .$ra…
3173 # Check for Gerrit Change-Ids not in any patch context
3174 if ($realfile eq '' && !$has_patch_separator && $line =~ /^\s*change-id:/i) {
3176 "Remove Gerrit Change-Id's before submitting upstream\n" . $herecurr) &&
3187 $line =~ /^\s*\[\<[0-9a-fA-F]{8,}\>\]/) ||
3188 $line =~ /^(?:\s+\w+:\s+[0-9a-fA-F]+){3,3}/ ||
3189 $line =~ /^\s*\#\d+\s*\[[0-9a-fA-F]+\]\s*\w+ at [0-9a-fA-F]+/) {
3197 !($line =~ /^\s*[a-zA-Z0-9_\/\.]+\s+\|\s+\d+/ ||
3199 $line =~ /^\s*(?:[\w\.\-\+]*\/)++[\w\.\-\+]+:/ ||
3226 # commit <SHA-1 hash length 12+ chars> ("Complete commit subject")
3229 # bare SHA-1 hash with minimum length of 5. It also avoids several types of
3230 # possible SHA-1 matches.
3235 $line !~ /^\s*(?:Link|Patchwork|http|https|BugLink|base-commit):/i &&
3236 $line !~ /^This reverts commit [0-9a-f]{7,40}/ &&
3237 (($line =~ /\bcommit\s+[0-9a-f]{5,}\b/i ||
3238 … /\bcommit\s*$/i && defined($rawlines[$linenr]) && $rawlines[$linenr] =~ /^\s*[0-9a-f]{5,}\b/i)) ||
3239 ($line =~ /(?:\s|^)[0-9a-f]{12,40}(?:[\s"'\(\[]|$)/i &&
3240 $line !~ /[\<\[][0-9a-f]{12,40}[\>\]]/i &&
3241 $line !~ /\bfixes:\s*[0-9a-f]{12,40}/i))) {
3256 if ($line =~ /(?:\bcommit\s+[0-9a-f]{5,}|\bcommit\s*$)/i) {
3258 if ($input =~ /\bcommit\s+[0-9a-f]{5,}\s*($balanced_parens)/i) {
3262 $orig_desc = substr($orig_desc, 1, -1);
3264 $orig_desc = substr($orig_desc, 1, -1);
3276 if ($input =~ /\b(c)ommit\s+([0-9a-f]{5,})\b/i) {
3279 $short = 0 if ($input =~ /\bcommit\s+[0-9a-f]{12,40}/i);
3280 $long = 1 if ($input =~ /\bcommit\s+[0-9a-f]{41,}/i);
3281 $space = 0 if ($input =~ /\bcommit [0-9a-f]/i);
3282 $case = 0 if ($input =~ /\b[Cc]ommit\s+[0-9a-f]{5,40}[^A-F]/);
3283 } elsif ($input =~ /\b([0-9a-f]{12,40})\b/i) {
3292 $last_git_commit_id_linenr != $linenr - 1) {
3294 …it commit description style 'commit <12+ chars of sha1> (\"<title line>\")' - ie: '${init_char}omm…
3304 $line =~ /^rename (?:from|to) [\w\/\.\-]+\s*$/ ||
3305 ($line =~ /\{\s*([\w\/\.\-]*)\s*\=\>\s*([\w\/\.\-]*)\s*\}/ &&
3319 …"DT bindings should be in DT schema format. See: Documentation/devicetree/bindings/writing-schema.…
3323 if ($realcnt != 0 && $line !~ m{^(?:\+|-| |\\ No newline|$)}) {
3329 # UTF-8 regex found at http://www.w3.org/International/questions/qa-forms-utf-8.en.php
3339 "Invalid UTF-8, patch and commit message should be encoded in UTF-8\n" . $hereptr);
3346 $rawline =~ /^(?:commit\b|from\b|[\w-]+:)/i)) {
3352 # Check if there is UTF-8 in a commit log when a mail header has explicitly
3355 $rawline =~ /^Content-Type:.+charset="(.+)".*$/ &&
3356 $1 !~ /utf-8/i) {
3363 "8-bit UTF-8 used in possible commit log\n" . $herecurr);
3383 while ($rawline =~ /(?:^|[^\w\-'`])($misspellings)(?:[^\w\-'`]|$)/gi) {
3386 my $ptr = substr($blank, 0, $-[1]) . "^" x length($typo);
3389 $typo_fix = ucfirst($typo_fix) if ($typo =~ /^[A-Z]/);
3390 $typo_fix = uc($typo_fix) if ($typo =~ /^[A-Z]+$/);
3394 "'$typo' may be misspelled - perhaps '$typo_fix'?\n" . $hereptr) &&
3396 $fixed[$fixlinenr] =~ s/(^|[^A-Za-z@])($typo)($|[^A-Za-z@])/$1$typo_fix$3/;
3402 if ($in_commit_log && $line =~ /(^fixes:|\bcommit)\s+([0-9a-f]{6,40})\b/i) {
3413 # avoid false positive from list command eg, '-rw-r--r-- 1 root root'
3415 $rawline !~ /[bcCdDlMnpPs\?-][rwxsStT-]{9}/) {
3421 my $start_pos = $-[1];
3434 $start_char = substr($rawline, $start_pos - 1, 1) if ($start_pos > ($in_commit_log ? 0 : 1));
3438 next if (index(" \t.,;?!", $end_char) == -1);
3441 if ($first =~ /\b[0-9a-f]{2,}\b/i) {
3466 # ignore non-hunk lines and lines being removed
3467 next if (!$hunk_line || $line =~ /^-/);
3515 next if ($f =~ /^-/);
3545 my $stat_real = get_stat_real($linenr, $ln - 1);
3554 if ($rawline =~ /^\+[A-Z]:/ &&
3555 $rawline !~ /^\+[A-Z]:\t\S/) {
3559 $fixed[$fixlinenr] =~ s/^(\+[A-Z]):\s*/$1:\t/;
3564 if ($rawline =~ /^\+[A-Z]:/ &&
3565 $prevrawline =~ /^[\+ ][A-Z]:/) {
3566 $rawline =~ /^\+([A-Z]):\s*(.*)/;
3569 $prevrawline =~ /^[\+ ]([A-Z]):\s*(.*)/;
3580 "Misordered MAINTAINERS entry - list '$cur:' before '$prev:'\n" . $hereprev);
3585 "Misordered MAINTAINERS entry - list file patterns in alphabetic order\n" . $hereprev);
3592 ($line =~ /\+(EXTRA_[A-Z]+FLAGS).*/)) {
3595 'EXTRA_AFLAGS' => 'asflags-y',
3596 'EXTRA_CFLAGS' => 'ccflags-y',
3597 'EXTRA_CPPFLAGS' => 'cppflags-y',
3598 'EXTRA_LDFLAGS' => 'ldflags-y',
3602 … of $flag is deprecated, please use \`$replacement->{$flag} instead.\n" . $herecurr) if ($replacem…
3610 my @compats = $rawline =~ /\"([a-zA-Z0-9\-\,\.\+_]+)\"/g;
3613 my $vp_file = $dt_path . "vendor-prefixes.yaml";
3617 $compat2 =~ s/\,[a-zA-Z0-9]*\-/\,<\.\*>\-/;
3619 $compat3 =~ s/\,([a-z]*)[0-9]*\-/\,$1<\.\*>\-/;
3620 `grep -Erq "$compat|$compat2|$compat3" $dt_path`;
3623 "DT compatible string \"$compat\" appears un-documented -- check $dt_path\n" . $herecurr);
3626 next if $compat !~ /^([a-zA-Z0-9\-]+)\,/;
3628 `grep -Eq "\\"\\^\Q$vendor\E,\\.\\*\\":" $vp_file`;
3631 … "DT compatible string vendor \"$vendor\" appears un-documented -- check $vp_file\n" . $herecurr);
3654 $rawline =~ /SPDX-License-Identifier:/ &&
3661 $rawline !~ m@^\+\Q$comment\E SPDX-License-Identifier: @) {
3663 … "Missing or malformed SPDX-License-Identifier tag in line $checklicenseline\n" . $herecurr);
3664 } elsif ($rawline =~ /(SPDX-License-Identifier: .*)/) {
3671 not $spdx_license =~ /GPL-2\.0.*BSD-2-Clause/) {
3676 "DT binding documents should be licensed (GPL-2.0-only OR BSD-2-Clause)\n" . $herecurr) &&
3678 …$fixed[$fixlinenr] =~ s/SPDX-License-Identifier: .*/SPDX-License-Identifier: (GPL-2.0-only OR BSD-…
3694 # check for using SPDX-License-Identifier on the wrong line number
3696 $rawline =~ /\bSPDX-License-Identifier:/ &&
3697 substr($line, @-, @+ - @-) eq "$;" x (@+ - @-)) {
3699 "Misplaced SPDX-License-Identifier tag - use line $checklicenseline instead\n" . $herecurr);
3708 # lines with an RFC3986 like URL
3726 length(expand_tabs(substr($line, 1, length($line) - length($1) - 1))) <= $max_line_length) {
3740 # URL ($rawline is used in case the URL is in a comment)
3741 } elsif ($rawline =~ /^\+.*\b[a-z][\w\.\+\-]*:\/\/\S+/i) {
3748 length(expand_tabs(substr($line, 1, length($line) - length($1) - 1))) <= $max_line_length) {
3753 length(expand_tabs(substr($line, 1, length($line) - length($1) - 1))) <= $max_line_length) {
3777 $line =~ /^\+\s*(?:[A-Z]+_)?SYM_[A-Z]+_(?:START|END)(?:_[A-Z_]+)?\s*\(\s*\.L/) {
3779 …ing a range of code via 'SYM_*_START/END' annotations; see Documentation/asm-annotations.rst\n" . …
3818 $fixed[$fixlinenr - 1] .= " $operator";
3829 # insert logical operator at last non-comment, non-whitepsace char on previous line
3831 my $line_end = substr($prevrawline, $-[0]);
3832 $fixed[$fixlinenr - 1] =~ s/\Q$line_end\E$/ $operator$line_end/;
3850 # check multi-line statement indentation matches previous line
3902 …$realline > 3) { # Do not warn about the initial copyright comment block after SPDX-License-Identi…
3968 $line =~ /^\+[a-z_]*init/ ||
3969 $line =~ /^\+\s*(?:static\s+)?[A-Z_]*ATTR/ ||
3983 $last_blank_line != ($linenr - 1)) {
4137 (!defined $lines[$realline_next - 1] ||
4138 substr($lines[$realline_next - 1], $off_next) =~ /^\s*$/)) {
4218 …if ($line =~ /(.*)\b((?:if|while|for|switch|(?:[a-z_]+|)for_each[a-z_]+)\s*\(|do\b|else\b)/ && $li…
4225 "Too many leading tabs - consider code refactoring\n" . $herecurr);
4228 my $ctx_cnt = $realcnt - $#ctx - 1;
4235 defined $lines[$ctx_ln - 1] &&
4236 $lines[$ctx_ln - 1] =~ /^-/)) {
4238 $ctx_skip-- if (!defined $lines[$ctx_ln - 1] || $lines[$ctx_ln - 1] !~ /^-/);
4243 #print "pre<$pre_ctx>\nline<$line>\nctx<$ctx>\nnext<$lines[$ctx_ln - 1]>\n";
4245 if ($ctx !~ /{\s*/ && defined($lines[$ctx_ln - 1]) && $lines[$ctx_ln - 1] =~ /^\+\s*{/) {
4248 "$here\n$ctx\n$rawlines[$ctx_ln - 1]\n");
4252 defined $lines[$ctx_ln - 1])
4254 my ($nlength, $nindent) = line_stats($lines[$ctx_ln - 1]);
4258 "$here\n$ctx\n$rawlines[$ctx_ln - 1]\n");
4264 …if ($line =~ /\b(?:(?:if|while|for|(?:[a-z_]+|)for_each[a-z_]+)\s*\(|(?:do|else)\b)/ && $line !~ /…
4312 my $cond_ptr = -1;
4375 $prev_values = substr($curr_values, -1);
4383 if ($line =~ /^\+\s*(?:$Declare)?([A-Za-z_][A-Za-z\d_]*)\s*=/) {
4387 "Do not use self-assignments to avoid compiler warnings\n" . $herecurr);
4392 if ($prevline =~ /^\+.*$Lval\s*(?:\.|->)\s*$/ &&
4394 $prevline =~ /($Lval\s*(?:\.|->))\s*$/;
4400 "Avoid multiple line dereference - prefer '$ref'\n" . $hereprev);
4456 fix_delete_line($fixlinenr - 1, $prevrawline);
4502 #print "APW <$lines[$realline_next - 1]>\n";
4504 exists $lines[$realline_next - 1] &&
4506 ($lines[$realline_next - 1] =~ /EXPORT_SYMBOL.*\((.*)\)/)) {
4513 if ($stat =~ /^(?:.\s*}\s*\n)?.([A-Z_]+)\s*\(\s*($Ident)/ &&
4526 #print "FOO A<$lines[$realline_next - 1]> stat<$stat> name<$name>\n";
4535 #print "FOO B <$lines[$linenr - 1]>\n";
4630 "Move const after static - use 'static const $1'\n" . $herecurr) &&
4637 # check for non-global char *foo[] = {"bar", ...} declarations.
4660 "Bad function definition - $1() should probably be $1(void)\n" . $herecurr) &&
4738 …"Avoid crashing the kernel - try using WARN_ON & recovery code rather than BUG() or BUG_ON()\n" . …
4756 if ($line =~ /\bprintk\s*\(\s*(?!KERN_[A-Z]+\b)/) {
4762 if ($line =~ /\b(printk(_once|_ratelimited)?)\s*\(\s*KERN_([A-Z]+)/) {
4778 if ($line =~ /\bdev_printk\s*\(\s*KERN_([A-Z]+)/) {
4842 fix_delete_line($fixlinenr - 1, $prevrawline);
4935 # 1. with a type on the left -- int [] a;
4936 # 2. at the beginning of a line for slice initialisers -- [0...10] = 5,
4937 # 3. inside a curly brace -- = { [0...10] = 5 }
4939 my ($where, $prefix) = ($-[1], $1);
4955 my $ctx_before = substr($line, 0, $-[1]);
4965 # cpp #define statements have non-optional spaces, ie
4994 \+=|-=|\*=|\/=|%=|\^=|\|=|&=|
4995 =>|->|<<|>>|<|>|=|!|~|
4996 &&|\|\||,|\^|\+\+|--|&|\||\+|-|\*|\/|%|
5017 my $last_after = -1;
5096 # ->
5097 } elsif ($op eq '->') {
5139 # '*' as part of a type definition -- reported already.
5147 $opv eq '*U' || $opv eq '-U' ||
5149 if ($ctx !~ /[WEBC]x./ && $ca !~ /(?:\)|!|~|\*|-|\&|\||\+\+|\-\-|\{)$/) {
5172 # unary ++ and unary -- are allowed no space on one side.
5173 } elsif ($op eq '++' or $op eq '--') {
5203 $op eq '+' or $op eq '-' or
5298 # check for whitespace before a non-naked semicolon
5399 # ie: &(foo->bar) should be &foo->bar and *(foo->bar) should be *foo->bar
5411 # ie: (foo->bar)(); should be foo->bar();
5412 # but not "if (foo->bar) (" to avoid some false positives
5425 # when !drivers/staging or command-line uses --strict
5430 my $test = substr($2, 1, -1);
5454 if ($sline =~ /^.\s+[A-Za-z_][A-Za-z\d_]*:(?!\s*\d+)/ &&
5455 $sline !~ /^. [A-Za-z\d_][A-Za-z\d_]*:/ &&
5494 # at end-of-function, with the previous line a single leading tab, then return;
5499 $lines[$linenr - 3] =~ /^[ +]/ &&
5500 $lines[$linenr - 3] !~ /^[ +]\s*$Ident\s*:/) {
5505 # if statements using unnecessary parentheses - ie: if ((foo == bar))
5513 $msg = " - maybe == should be = ?" if ($comp eq "==");
5524 $line =~ /^\+(.*)\b($Constant|[A-Z_][A-Z0-9_]*)\s*($Compare)\s*($LvalOrFunc)/) {
5531 $to !~ /^(?:Constant|[A-Z_][A-Z0-9_]*)$/ &&
5549 if ($sline =~ /\breturn(?:\s*\(+\s*|\s+)(E[A-Z]+)(?:\s*\)+\s*|\s*)[;:,]/) {
5553 "return of an errno should typically be negative (ie: return -$1)\n" . $herecurr);
5567 # Check for illegal assignment in if conditional -- and check for trailing
5582 ($stat_next =~ /^((?:\s*\n[+-])*\s*)/s);
5584 statement_rawlines($whitespace) - 1;
5650 \s*0[xX][0-9]+\s*
5654 \s*0[xX][0-9]+\s*
5695 fix_delete_line($fixlinenr - 1, $prevrawline);
5721 fix_delete_line($fixlinenr - 1, $prevrawline);
5739 $var =~ /[A-Z][a-z]|[a-z][A-Z]/ &&
5741 $var !~ /^(?:[A-Z]+_){1,5}[A-Z]{1,3}[a-z]/ &&
5743 $var !~ /^(?:Clear|Set|TestClear|TestSet|)Page[A-Z]/ &&
5746 $var !~ /^(?:[a-z0-9_]*|[A-Z0-9_]*)?_?[a-z][A-Z](?:_[a-z0-9_]+|_[A-Z0-9_]+)?$/ &&
5748 $var !~ /^(?:[a-z_]*?)_?(?:[KMGT]iB|[KMGT]?Hz)(?:_[a-z_]+)?$/) {
5751 next if ($word !~ /[A-Z][a-z]|[a-z][A-Z]/);
5782 if (-f "$root/$checkfile" &&
5786 my $asminclude = `grep -Ec "#include\\s+<asm/$file>" $root/$checkfile`;
5799 # multi-statement macros should be enclosed in a do while loop, grab the
5814 #print "LINE<$lines[$ln-1]> len<" . length($lines[$ln-1]) . "\n";
5825 $define_args = substr($define_args, 1, length($define_args) - 2);
5872 $dstat !~ /^(?:$Ident|-?$Constant),$/ && # 10, // foo(),
5873 $dstat !~ /^(?:$Ident|-?$Constant);$/ && # foo();
5874 …$dstat !~ /^[!~-]?(?:$Lval|$Constant)$/ && # 10 // foo() // !foo // ~foo // -foo // foo->bar // f…
5882 $dstat !~ /^for\s*$Constant\s+(?:$Ident|-?$Constant)$/ && # for (...) bar()
5889 …"Macros starting with if should be enclosed by a do - while loop to avoid possible if/else logic d…
5892 … "Macros with multiple statements should be enclosed in a do - while loop\n" . "$herectx");
5900 # Make $define_stmt single line, comment-free, etc
5928 "Macro argument reuse '$arg' - possible side-effects?\n" . "$herectx");
5962 # single-statement macros do not need to be enclosed in do while (0) loop,
6016 my $ln = $linenr - 1;
6021 my ($whitespace) = ($cond =~ /^((?:\s*\n[+-])*\s*)/s);
6022 my $offset = statement_rawlines($whitespace) - 1;
6031 $ln += statement_rawlines($block) - 1;
6068 if (!defined $suppress_ifbraces{$linenr - 1} &&
6072 # Check the pre-context.
6073 if (substr($line, 0, $-[0]) =~ /(\}\s*)$/) {
6079 ctx_statement_full($linenr, $realcnt, $-[0]);
6099 # Check the post-context.
6106 #print "APW: ALLOWED: chunk-1 block<$block>\n";
6130 fix_delete_line($fixlinenr - 1, $prevrawline);
6145 …"Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rst\n" . …
6148 # Check for user-visible strings broken across lines, which breaks the ability
6154 $prevrawline !~ /(?:\\(?:[ntr]|[0-7]{1,3}|x[0-9a-fA-F]{1,2})|;\s*|\{\s*)"\s*$/) {
6159 $last_coalesced_string_linenr != $linenr - 1) {
6166 fix_delete_line($fixlinenr - 1, $prevrawline);
6171 fix_insert_line($fixlinenr - 1, $fixedline);
6188 # This does not work very well for -f --file checking as it depends on patch
6189 # context providing the function name or a single line form for in-file
6205 "Unnecessary ftrace-like logging - prefer using ftrace\n" . $herecurr) &&
6222 if ($line =~ /$String[A-Z_]/ ||
6223 ($line =~ /([A-Za-z0-9_]+)$String/ && $1 !~ /^[Lu]$/)) {
6228 my $extracted_string = substr($rawline, $-[0], $+[0] - $-[0]);
6229 $fixed[$fixlinenr] =~ s/\Q$extracted_string\E([A-Za-z0-9_])/$extracted_string $1/;
6230 $fixed[$fixlinenr] =~ s/([A-Za-z0-9_])\Q$extracted_string\E/$1 $extracted_string/;
6241 my $extracted_string = substr($rawline, $-[0], $+[0] - $-[0]);
6242 $fixed[$fixlinenr] =~ s/\Q$extracted_string\E\s*"/substr($extracted_string, 0, -1)/e;
6247 # check for non-standard and hex prefixed decimal printf formats
6251 my $string = substr($rawline, $-[1], $+[1] - $-[1]);
6256 "\%L$1 is non-standard C, use %ll$1\n" . $herecurr);
6262 "%Z$1 is non-standard C, use %z$1\n" . $herecurr);
6302 if ($lines[$linenr - 2] =~ /^\+(\t*)if\s*\(\s*$tested\s*\)\s*$/) {
6307 if ($lines[$linenr - 1] =~ /^\+(\t+)$func\s*\(\s*$tested\s*\)\s*;\s*$/) {
6316 fix_delete_line($fixlinenr - 1, $prevrawline);
6329 my $testline = $lines[$linenr - 3];
6331 my ($s, $c) = ctx_statement_block($linenr - 3, $realcnt, 0);
6343 $line =~ /\b$logFunctions\s*\(.*\b(KERN_[A-Z]+)\b/) {
6366 while ($stat_real =~ /[^\"%]*(%[\#\d\.\*\-]*(h+)[idux])/g) {
6369 my $lineoff = substr($stat_real, 0, $-[1]) =~ tr@\n@@;
6385 … "Possible precedence defect with mask then right shift - may need parentheses\n" . $herecurr);
6449 # check for __read_mostly with const non-pointer (should just be const)
6478 … "usleep_range is preferred over udelay; see Documentation/timers/timers-howto.rst\n" . $herecurr);
6482 "long udelay - prefer mdelay; see arch/arm/include/asm/delay.h\n" . $herecurr);
6490 …"msleep < 20ms can sleep for up to 20ms; see Documentation/timers/timers-howto.rst\n" . $herecurr);
6563 if ($realfile !~ m@^include/asm-generic/@ &&
6568 "__smp memory barriers shouldn't be used outside barrier.h and asm-generic\n" . $herecurr);
6588 … m@^.\s*\#\s*if.*\b(__i386__|__powerpc64__|__sun__|__s390x__)\b@ && $realfile !~ m@include/asm-@) {
6735 …"Unnecessary typecast of c90 int constant - '$cast$const' could be '$const$suffix'\n" . $herecurr)…
6781 "Use safe version of memcpy - memcpy_s whenever possible\n" . $herecurr) &&
6802 my $fmt = get_quoted_string($lines[$count - 1], raw_line($count, 0));
6830 $use = " - use %pS instead";
6903 …"Prefer strscpy over strlcpy - see: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V…
6938 …"usleep_range should not use min == max args; see Documentation/timers/timers-howto.rst\n" . "$her…
6942 …"usleep_range args reversed, use min then max; see Documentation/timers/timers-howto.rst\n" . "$he…
7060 …"__setup appears un-documented -- check Documentation/admin-guide/kernel-parameters.txt\n" . $here…
7067 … "unnecessary cast may hide bugs, see http://c-faq.com/malloc/mallocnocast.html\n" . $herecurr);
7094 !($r1 =~ /^$Constant$/ || $r1 =~ /^[A-Z_][A-Z0-9_]*$/)) {
7149 …if ($line =~ /^\+\s*#\s*if\s+defined(?:\s*\(?\s*|\s+)(${CONFIG_}[A-Z_]+)\s*\)?\s*\|\|\s*defined(?:…
7162 'lint -fallthrough[ \t]*',
7163 'intentional(?:ly)?[ \t]*fall(?:(?:s | |-)[Tt]|t)hr(?:ough|u|ew)',
7164 '(?:else,?\s*)?FALL(?:S | |-)?THR(?:OUGH|U|EW)[ \t.!]*(?:-[^\n\r]*)?',
7165 'Fall(?:(?:s | |-)[Tt]|t)hr(?:ough|u|ew)[ \t.!]*(?:-[^\n\r]*)?',
7166 'fall(?:s | |-)?thr(?:ough|u|ew)[ \t.!]*(?:-[^\n\r]*)?',
7203 "Use of the '$1' macro makes the build non-deterministic\n" . $herecurr);
7209 "Using yield() is generally wrong. See yield() kernel-doc (sched/core.c)\n" . $herecurr);
7292 …"usage of NR_CPUS is often wrong - consider using cpu_possible(), num_possible_cpus(), for_each_po…
7298 … "#define of '$1' is wrong - use Kconfig variables or standard guards instead\n" . $herecurr);
7310 substr($rawline, $-[6], $+[6] - $-[6]) !~ /\\n"$/) {
7311 my $offset = $+[6] - 1;
7341 $realfile !~ m@^drivers/base/core@) {
7343 "lockdep_no_validate class is reserved for device->mutex.\n" . $herecurr);
7358 …E_ATTR\s*\(\s*(\w+)\s*,\s*\(?\s*(\s*(?:${multi_mode_perms_string_search}|0[0-7]{3,3})\s*)\s*\)?\s*…
7420 my $func = $entry->[0];
7421 my $arg_pos = $entry->[1];
7429 $arg_pos--;
7488 if ($#rawlines == -1) {
7498 # This is not a patch, and we are in 'no-patch' mode so
7504 if (!$is_patch && $filename !~ /cover-letter\.patch$/) {
7506 "Does not appear to be a unified-diff format patch\n");
7511 "Missing Signed-off-by: line(s)\n");
7514 # 0 -> missing sign off
7515 # 1 -> sign off identical
7516 # 2 -> names and addresses match, comments mismatch
7517 # 3 -> addresses match, names different
7518 # 4 -> names match, addresses different
7519 # 5 -> names match, addresses excluding subaddress details (refer RFC 5233) match
7521 my $sob_msg = "'From: $author' != 'Signed-off-by: $author_sob'";
7525 "Missing Signed-off-by: line by nominal patch author '$author'\n");
7528 "From:/Signed-off-by: email comments mismatch: $sob_msg\n");
7531 "From:/Signed-off-by: email name mismatch: $sob_msg\n");
7534 "From:/Signed-off-by: email address mismatch: $sob_msg\n");
7537 "From:/Signed-off-by: email subaddress mismatch: $sob_msg\n");
7556 mechanically convert to the typical style using --fix or --fix-inplace.
7575 $newfile .= ".EXPERIMENTAL-checkpatch-fixes" if (!$fix_inplace);
7599 Wrote EXPERIMENTAL --fix correction(s) to '$newfile'