1 files changed, 5 insertions, 0 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index ddd27d8e6312..fd9560ea976c 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2897,6 +2897,11 @@ sub process {
                                 ERROR("lockdep_no_validate class is reserved for device->mutex.\n" . $herecurr);
                         }
                 }
+
+                if ($line =~ /debugfs_create_file.*S_IWUGO/ ||
+                    $line =~ /DEVICE_ATTR.*S_IWUGO/ ) {
+                        WARN("Exporting world writable files is usually an error. Consider more restrictive permissions.\n" . $herecurr);
+                }
         }
 
         # If we have no input at all, then there is nothing to report on