1#!/bin/bash
2
3file=$1
4project=$(echo "$2" | cut -d = -f 2)
5
6if [[ "$file" = "" ]] ; then
7    echo "Usage:  $0 <file with smatch messages> -p=<project>"
8    exit 1
9fi
10
11if [[ "$project" != "kernel" ]] ; then
12    exit 0
13fi
14
15bin_dir=$(dirname $0)
16remove=$(echo ${bin_dir}/../smatch_data/kernel.returns_held.remove)
17tmp=$(mktemp /tmp/smatch.XXXX)
18
19echo "// list of functions that return a held device." \
20    > kernel.returns_held_funcs
21echo '// generated by `gen_returns_held.sh`' >> kernel.returns_held_funcs
22grep "returned dev is held" $file | cut -s -d ' ' -f 2 | cut -d '(' -f 1 | \
23    sort -u > $tmp
24cat $tmp $remove $remove 2> /dev/null | sort | uniq -u \
25    >> kernel.returns_held_funcs
26rm $tmp
27echo "Done.  List saved as 'kernel.returns_held_funcs'"
28
29