1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0+
3
4 #
5 # Runs an individual test module.
6 #
7 # kselftest expects a separate executable for
8 # created by adding a script like this:
9 #
10 # #!/bin/sh
11 # SPDX-License-Identifier: GPL-2.0+
12 # $(dirname $0)/../kselftest/module.sh "desc
13 #
14 # Example: tools/testing/selftests/lib/printf.
15
16 desc="" # Output prefi
17 module="" # Filename (wi
18 args="" # modprobe arg
19
20 modprobe="/sbin/modprobe"
21
22 main() {
23 parse_args "$@"
24 assert_root
25 assert_have_module
26 run_module
27 }
28
29 parse_args() {
30 script=${0##*/}
31
32 if [ $# -lt 2 ]; then
33 echo "Usage: $script <description> <mo
34 exit 1
35 fi
36
37 desc="$1"
38 shift || true
39 module="$1"
40 shift || true
41 args="$@"
42 }
43
44 assert_root() {
45 if [ ! -w /dev ]; then
46 skip "please run as root"
47 fi
48 }
49
50 assert_have_module() {
51 if ! $modprobe -q -n $module; then
52 skip "module $module is not found"
53 fi
54 }
55
56 run_module() {
57 if $modprobe -q $module $args; then
58 $modprobe -q -r $module
59 say "ok"
60 else
61 fail ""
62 fi
63 }
64
65 say() {
66 echo "$desc: $1"
67 }
68
69
70 fail() {
71 say "$1 [FAIL]" >&2
72 exit 1
73 }
74
75 skip() {
76 say "$1 [SKIP]" >&2
77 # Kselftest framework requirement - SKIP c
78 exit 4
79 }
80
81 #
82 # Main script
83 #
84 main "$@"
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