diff options
| author | Joe Perches <joe@perches.com> | 2015-04-16 12:44:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-04-17 09:03:57 -0400 |
| commit | b392c64f59d7b088aefb4e86d208cd6d3b93eefb (patch) | |
| tree | 8cc15686623671b7d02ed035d8bf28c6229cdb7b /scripts/checkpatch.pl | |
| parent | ebfd7d62375316ff532b6b9bae9d88a29f434ba7 (diff) | |
| download | lwn-b392c64f59d7b088aefb4e86d208cd6d3b93eefb.tar.gz lwn-b392c64f59d7b088aefb4e86d208cd6d3b93eefb.zip | |
checkpatch: match more world writable permissions
Currently checkpatch will fuss if one uses world writable settings in
debugfs files and DEVICE_ATTR uses by testing S_IWUGO but not testing
S_IWOTH, S_IRWXUGO or S_IALLUGO.
Extend the check to catch all cases exporting world writable permissions
including octal values.
[akpm@linux-foundation.org: remove stray $]
Signed-off-by: Joe Perches <joe@perches.com>
Original-patch-by: Nicholas Mc Guire <hofrat@osadl.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'scripts/checkpatch.pl')
| -rwxr-xr-x | scripts/checkpatch.pl | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 6b79beb2751d..5748c35d0342 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -443,6 +443,14 @@ foreach my $entry (@mode_permission_funcs) { $mode_perms_search .= $entry->[0]; } +our $mode_perms_world_writable = qr{ + S_IWUGO | + S_IWOTH | + S_IRWXUGO | + S_IALLUGO | + 0[0-7][0-7][2367] +}x; + our $allowed_asm_includes = qr{(?x: irq| memory| @@ -5356,8 +5364,8 @@ sub process { } } - if ($line =~ /debugfs_create_file.*S_IWUGO/ || - $line =~ /DEVICE_ATTR.*S_IWUGO/ ) { + if ($line =~ /debugfs_create_\w+.*\b$mode_perms_world_writable\b/ || + $line =~ /DEVICE_ATTR.*\b$mode_perms_world_writable\b/) { WARN("EXPORTED_WORLD_WRITABLE", "Exporting world writable files is usually an error. Consider more restrictive permissions.\n" . $herecurr); } |