my $spelling_file = "$D/spelling.txt";
my $codespell = 0;
my $codespellfile = "/usr/share/codespell/dictionary.txt";
+my $conststructsfile = "$D/const_structs.checkpatch";
my $color = 1;
my $allow_c99_comments = 1;
0[0-7][0-7][2367]
}x;
+our %mode_permission_string_types = (
+ "S_IRWXU" => 0700,
+ "S_IRUSR" => 0400,
+ "S_IWUSR" => 0200,
+ "S_IXUSR" => 0100,
+ "S_IRWXG" => 0070,
+ "S_IRGRP" => 0040,
+ "S_IWGRP" => 0020,
+ "S_IXGRP" => 0010,
+ "S_IRWXO" => 0007,
+ "S_IROTH" => 0004,
+ "S_IWOTH" => 0002,
+ "S_IXOTH" => 0001,
+ "S_IRWXUGO" => 0777,
+ "S_IRUGO" => 0444,
+ "S_IWUGO" => 0222,
+ "S_IXUGO" => 0111,
+);
+
+#Create a search pattern for all these strings to speed up a loop below
+our $mode_perms_string_search = "";
+foreach my $entry (keys %mode_permission_string_types) {
+ $mode_perms_string_search .= '|' if ($mode_perms_string_search ne "");
+ $mode_perms_string_search .= $entry;
+}
+
our $allowed_asm_includes = qr{(?x:
irq|
memory|
$misspellings = join("|", sort keys %spelling_fix) if keys %spelling_fix;
+my $const_structs = "";
+if (open(my $conststructs, '<', $conststructsfile)) {
+ while (<$conststructs>) {
+ my $line = $_;
+
+ $line =~ s/\s*\n?$//g;
+ $line =~ s/^\s*//g;
+
+ next if ($line =~ m/^\s*#/);
+ next if ($line =~ m/^\s*$/);
+ if ($line =~ /\s/) {
+ print("$conststructsfile: '$line' invalid - ignored\n");
+ next;
+ }
+
+ $const_structs .= '|' if ($const_structs ne "");
+ $const_structs .= $line;
+ }
+ close($conststructsfile);
+} else {
+ warn "No structs that should be const will be found - file '$conststructsfile': $!\n";
+}
+
sub build_types {
my $mods = "(?x: \n" . join("|\n ", (@modifierList, @modifierListFile)) . "\n)";
my $all = "(?x: \n" . join("|\n ", (@typeList, @typeListFile)) . "\n)";
}
}
+sub is_maintained_obsolete {
+ my ($filename) = @_;
+
+ return 0 if (!(-e "$root/scripts/get_maintainer.pl"));
+
+ my $status = `perl $root/scripts/get_maintainer.pl --status --nom --nol --nogit --nogit-fallback -f $filename 2>&1`;
+
+ return $status =~ /obsolete/i;
+}
+
my $camelcase_seeded = 0;
sub seed_camelcase_includes {
return if ($camelcase_seeded);
}
if ($found_file) {
+ if (is_maintained_obsolete($realfile)) {
+ WARN("OBSOLETE",
+ "$realfile is marked as 'obsolete' in the MAINTAINERS hierarchy. No unnecessary modifications please.\n");
+ }
if ($realfile =~ m@^(?:drivers/net/|net/|drivers/staging/)@) {
$check = 1;
} else {
"Block comments use a trailing */ on a separate line\n" . $herecurr);
}
+# Block comment * alignment
+ if ($prevline =~ /$;[ \t]*$/ && #ends in comment
+ $line =~ /^\+[ \t]*$;/ && #leading comment
+ $rawline =~ /^\+[ \t]*\*/ && #leading *
+ (($prevrawline =~ /^\+.*?\/\*/ && #leading /*
+ $prevrawline !~ /\*\/[ \t]*$/) || #no trailing */
+ $prevrawline =~ /^\+[ \t]*\*/)) { #leading *
+ my $oldindent;
+ $prevrawline =~ m@^\+([ \t]*/?)\*@;
+ if (defined($1)) {
+ $oldindent = expand_tabs($1);
+ } else {
+ $prevrawline =~ m@^\+(.*/?)\*@;
+ $oldindent = expand_tabs($1);
+ }
+ $rawline =~ m@^\+([ \t]*)\*@;
+ my $newindent = $1;
+ $newindent = expand_tabs($newindent);
+ if (length($oldindent) ne length($newindent)) {
+ WARN("BLOCK_COMMENT_STYLE",
+ "Block comments should align the * on each line\n" . $hereprev);
+ }
+ }
+
# check for missing blank lines after struct/union declarations
# with exceptions for various attributes and macros
if ($prevline =~ /^[\+ ]};?\s*$/ &&
}
# Check for memcpy(foo, bar, ETH_ALEN) that could be ether_addr_copy(foo, bar)
- if ($^V && $^V ge 5.10.0 &&
- defined $stat &&
- $stat =~ /^\+(?:.*?)\bmemcpy\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) {
- if (WARN("PREFER_ETHER_ADDR_COPY",
- "Prefer ether_addr_copy() over memcpy() if the Ethernet addresses are __aligned(2)\n" . "$here\n$stat\n") &&
- $fix) {
- $fixed[$fixlinenr] =~ s/\bmemcpy\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/ether_addr_copy($2, $7)/;
- }
- }
+# if ($^V && $^V ge 5.10.0 &&
+# defined $stat &&
+# $stat =~ /^\+(?:.*?)\bmemcpy\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) {
+# if (WARN("PREFER_ETHER_ADDR_COPY",
+# "Prefer ether_addr_copy() over memcpy() if the Ethernet addresses are __aligned(2)\n" . "$here\n$stat\n") &&
+# $fix) {
+# $fixed[$fixlinenr] =~ s/\bmemcpy\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/ether_addr_copy($2, $7)/;
+# }
+# }
# Check for memcmp(foo, bar, ETH_ALEN) that could be ether_addr_equal*(foo, bar)
- if ($^V && $^V ge 5.10.0 &&
- defined $stat &&
- $stat =~ /^\+(?:.*?)\bmemcmp\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) {
- WARN("PREFER_ETHER_ADDR_EQUAL",
- "Prefer ether_addr_equal() or ether_addr_equal_unaligned() over memcmp()\n" . "$here\n$stat\n")
- }
+# if ($^V && $^V ge 5.10.0 &&
+# defined $stat &&
+# $stat =~ /^\+(?:.*?)\bmemcmp\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) {
+# WARN("PREFER_ETHER_ADDR_EQUAL",
+# "Prefer ether_addr_equal() or ether_addr_equal_unaligned() over memcmp()\n" . "$here\n$stat\n")
+# }
# check for memset(foo, 0x0, ETH_ALEN) that could be eth_zero_addr
# check for memset(foo, 0xFF, ETH_ALEN) that could be eth_broadcast_addr
- if ($^V && $^V ge 5.10.0 &&
- defined $stat &&
- $stat =~ /^\+(?:.*?)\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) {
-
- my $ms_val = $7;
-
- if ($ms_val =~ /^(?:0x|)0+$/i) {
- if (WARN("PREFER_ETH_ZERO_ADDR",
- "Prefer eth_zero_addr over memset()\n" . "$here\n$stat\n") &&
- $fix) {
- $fixed[$fixlinenr] =~ s/\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*,\s*ETH_ALEN\s*\)/eth_zero_addr($2)/;
- }
- } elsif ($ms_val =~ /^(?:0xff|255)$/i) {
- if (WARN("PREFER_ETH_BROADCAST_ADDR",
- "Prefer eth_broadcast_addr() over memset()\n" . "$here\n$stat\n") &&
- $fix) {
- $fixed[$fixlinenr] =~ s/\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*,\s*ETH_ALEN\s*\)/eth_broadcast_addr($2)/;
- }
- }
- }
+# if ($^V && $^V ge 5.10.0 &&
+# defined $stat &&
+# $stat =~ /^\+(?:.*?)\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*\,\s*ETH_ALEN\s*\)/) {
+#
+# my $ms_val = $7;
+#
+# if ($ms_val =~ /^(?:0x|)0+$/i) {
+# if (WARN("PREFER_ETH_ZERO_ADDR",
+# "Prefer eth_zero_addr over memset()\n" . "$here\n$stat\n") &&
+# $fix) {
+# $fixed[$fixlinenr] =~ s/\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*,\s*ETH_ALEN\s*\)/eth_zero_addr($2)/;
+# }
+# } elsif ($ms_val =~ /^(?:0xff|255)$/i) {
+# if (WARN("PREFER_ETH_BROADCAST_ADDR",
+# "Prefer eth_broadcast_addr() over memset()\n" . "$here\n$stat\n") &&
+# $fix) {
+# $fixed[$fixlinenr] =~ s/\bmemset\s*\(\s*$FuncArg\s*,\s*$FuncArg\s*,\s*ETH_ALEN\s*\)/eth_broadcast_addr($2)/;
+# }
+# }
+# }
# typecasts on min/max could be min_t/max_t
if ($^V && $^V ge 5.10.0 &&
}
# check for various structs that are normally const (ops, kgdb, device_tree)
- my $const_structs = qr{
- acpi_dock_ops|
- address_space_operations|
- backlight_ops|
- block_device_operations|
- dentry_operations|
- dev_pm_ops|
- dma_map_ops|
- extent_io_ops|
- file_lock_operations|
- file_operations|
- hv_ops|
- ide_dma_ops|
- intel_dvo_dev_ops|
- item_operations|
- iwl_ops|
- kgdb_arch|
- kgdb_io|
- kset_uevent_ops|
- lock_manager_operations|
- microcode_ops|
- mtrr_ops|
- neigh_ops|
- nlmsvc_binding|
- of_device_id|
- pci_raw_ops|
- pipe_buf_operations|
- platform_hibernation_ops|
- platform_suspend_ops|
- proto_ops|
- rpc_pipe_ops|
- seq_operations|
- snd_ac97_build_ops|
- soc_pcmcia_socket_ops|
- stacktrace_ops|
- sysfs_ops|
- tty_operations|
- uart_ops|
- usb_mon_operations|
- wd_ops}x;
if ($line !~ /\bconst\b/ &&
$line =~ /\bstruct\s+($const_structs)\b/) {
WARN("CONST_STRUCT",
$arg_pos--;
$skip_args = "(?:\\s*$FuncArg\\s*,\\s*){$arg_pos,$arg_pos}";
}
- my $test = "\\b$func\\s*\\(${skip_args}([\\d]+)\\s*[,\\)]";
+ my $test = "\\b$func\\s*\\(${skip_args}($FuncArg(?:\\|\\s*$FuncArg)*)\\s*[,\\)]";
if ($line =~ /$test/) {
my $val = $1;
$val = $6 if ($skip_args ne "");
-
- if ($val !~ /^0$/ &&
- (($val =~ /^$Int$/ && $val !~ /^$Octal$/) ||
- length($val) ne 4)) {
+ if (($val =~ /^$Int$/ && $val !~ /^$Octal$/) ||
+ ($val =~ /^$Octal$/ && length($val) ne 4)) {
ERROR("NON_OCTAL_PERMISSIONS",
"Use 4 digit octal (0777) not decimal permissions\n" . $herecurr);
- } elsif ($val =~ /^$Octal$/ && (oct($val) & 02)) {
+ }
+ if ($val =~ /^$Octal$/ && (oct($val) & 02)) {
ERROR("EXPORTED_WORLD_WRITABLE",
"Exporting writable files is usually an error. Consider more restrictive permissions.\n" . $herecurr);
}
+ if ($val =~ /\b$mode_perms_string_search\b/) {
+ my $to = 0;
+ while ($val =~ /\b($mode_perms_string_search)\b(?:\s*\|\s*)?\s*/g) {
+ $to |= $mode_permission_string_types{$1};
+ }
+ my $new = sprintf("%04o", $to);
+ if (WARN("SYMBOLIC_PERMS",
+ "Symbolic permissions are not preferred. Consider using octal permissions $new.\n" . $herecurr) &&
+ $fix) {
+ $fixed[$fixlinenr] =~ s/\Q$val\E/$new/;
+ }
+ }
}
}
}