diff options
Diffstat (limited to 'scripts/checkpatch.pl')
| -rwxr-xr-x | scripts/checkpatch.pl | 106 |
1 files changed, 87 insertions, 19 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 2d5ece798c4c..87bbb8bce9bf 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -10,7 +10,7 @@ use strict; my $P = $0; $P =~ s@.*/@@g; -my $V = '0.28'; +my $V = '0.29'; use Getopt::Long qw(:config no_auto_abbrev); @@ -28,6 +28,41 @@ my $mailback = 0; 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, @@ -35,7 +70,7 @@ GetOptions( 'patch!' => \$chk_patch, 'emacs!' => \$emacs, 'terse!' => \$terse, - 'file!' => \$file, + 'f|file!' => \$file, 'subjective!' => \$check, 'strict!' => \$check, 'root=s' => \$root, @@ -45,22 +80,16 @@ GetOptions( '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); } @@ -153,7 +182,7 @@ our $UTF8 = qr { }x; our $typeTypedefs = qr{(?x: - (?:__)?(?:u|s|be|le)(?:\d|\d\d)| + (?:__)?(?:u|s|be|le)(?:8|16|32|64)| atomic_t )}; @@ -356,6 +385,13 @@ sub sanitise_line { $off++; next; } + if ($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 "'" || $sanitise_quote eq '"') && @@ -379,6 +415,8 @@ sub sanitise_line { #print "c<$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, $off, 1, 'X'); } else { @@ -386,6 +424,10 @@ sub sanitise_line { } } + if ($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); @@ -1336,6 +1378,18 @@ sub process { 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)$/); @@ -1355,6 +1409,16 @@ sub process { 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, $off_next); if ($realcnt && $line =~ /.\s*\S/) { @@ -1372,6 +1436,8 @@ sub process { # Ignore functions being called } elsif ($s =~ /^.\s*$Ident\s*\(/s) { + } elsif ($s =~ /^.\s*else\b/s) { + # declarations always start with types } elsif ($prev_values eq 'E' && $s =~ /^.\s*(?:$Storage\s+)?(?:$Inline\s+)?(?:const\s+)?((?:\s*$Ident)+?)\b(?:\s+$Sparse)?\s*\**\s*(?:$Ident|\(\*[^\)]*\))(?:\s*$Modifier)?\s*(?:;|=|,|\()/s) { my $type = $1; @@ -1532,8 +1598,9 @@ sub process { $s =~ /^\s*#\s*?/ || $s =~ /^\s*$Ident\s*:/) { $continuation = ($s =~ /^.*?\\\n/) ? 1 : 0; - $s =~ s/^.*?\n//; - $cond_lines++; + if ($s =~ s/^.*?\n//) { + $cond_lines++; + } } } @@ -1891,7 +1958,7 @@ sub process { # A unary '*' may be const } elsif ($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. @@ -2243,7 +2310,8 @@ sub process { DECLARE_PER_CPU| DEFINE_PER_CPU| __typeof__\(| - \.$Ident\s*=\s* + \.$Ident\s*=\s*| + ^\"|\"$ }x; #print "REST<$rest> dstat<$dstat>\n"; if ($rest ne '') { |