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-rwxr-xr-xscripts/checkpatch.pl5
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