#!/bin/bash# (c) 2017, Jonathan Corbet <corbet@lwn.net>#           sayli karnik <karniksayli1995@gmail.com>## This script detects files with kernel-doc comments for exported functions# that are not included in documentation.## usage: Run 'scripts/find-unused-docs.sh directory' from top level of kernel# 	 tree.## example: $scripts/find-unused-docs.sh drivers/scsi## Licensed under the terms of the GNU GPL License if ! [ -d "Documentation" ]; then	echo "Run from top level of kernel tree"	exit 1fi if [ "$#" -ne 1 ]; then	echo "Usage: scripts/find-unused-docs.sh directory"	exit 1fi if ! [ -d "$1" ]; then	echo "Directory $1 doesn't exist"	exit 1fi cd "$( dirname "${BASH_SOURCE[0]}" )"cd .. cd Documentation/ echo "The following files contain kerneldoc comments for exported functions \that are not used in the formatted documentation" # FILES INCLUDED files_included=($(grep -rHR ".. kernel-doc" --include \*.rst | cut -d " " -f 3)) declare -A FILES_INCLUDED for each in "${files_included[@]}"; do	FILES_INCLUDED[$each]="$each"	done cd .. # FILES NOT INCLUDED for file in `find $1 -name '*.c'`; do 	if [[ ${FILES_INCLUDED[$file]+_} ]]; then	continue;	fi	str=$(scripts/kernel-doc -export "$file" 2>/dev/null)	if [[ -n "$str" ]]; then	echo "$file"	fi	done