diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index ddd27d8..fd9560e 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2897,6 +2897,11 @@
 				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