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checkpatch: externalize the structs that should be const

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Make it easier to add new structs that should be const.

Link: http://lkml.kernel.org/r/e5a8da43e7c11525bafbda1ca69a8323614dd942.1472664220.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Cc: Kees Cook <keescook@chromium.org>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2016-10-11 13:51:56 -07:00 committed by Linus Torvalds
parent f333195d41
commit bf1fa1dae6
2 changed files with 63 additions and 40 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

64
scripts/checkpatch.pl
View file

@ -54,6 +54,7 @@ my $min_conf_desc_length = 4;
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 $allow_c99_comments = 1;
@ -624,6 +625,29 @@ if ($codespell) {
$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)";
@ -5912,46 +5936,6 @@ sub process {
}
# 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",

39
scripts/const_structs.checkpatch Normal file
View file

@ -0,0 +1,39 @@
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