xref: /linux/scripts/coccinelle/misc/of_table.cocci (revision 95298d63c67673c654c08952672d016212b26054) 
1// SPDX-License-Identifier: GPL-2.0
2/// Make sure (of/i2c/platform)_device_id tables are NULL terminated
3//
4// Keywords: of_table i2c_table platform_table
5// Confidence: Medium
6// Options: --include-headers
7
8virtual patch
9virtual context
10virtual org
11virtual report
12
13@depends on context@
14identifier var, arr;
15expression E;
16@@
17(
18struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
19	...,
20	{
21	.var = E,
22*	}
23};
24|
25struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
26	...,
27*	{ ..., E, ... },
28};
29)
30
31@depends on patch@
32identifier var, arr;
33expression E;
34@@
35(
36struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
37	...,
38	{
39	.var = E,
40-	}
41+	},
42+	{ }
43};
44|
45struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
46	...,
47	{ ..., E, ... },
48+	{ },
49};
50)
51
52@r depends on org || report@
53position p1;
54identifier var, arr;
55expression E;
56@@
57(
58struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
59	...,
60	{
61	.var = E,
62	}
63	@p1
64};
65|
66struct \(of_device_id \| i2c_device_id \| platform_device_id\) arr[] = {
67	...,
68	{ ..., E, ... }
69	@p1
70};
71)
72
73@script:python depends on org@
74p1 << r.p1;
75arr << r.arr;
76@@
77
78cocci.print_main(arr,p1)
79
80@script:python depends on report@
81p1 << r.p1;
82arr << r.arr;
83@@
84
85msg = "%s is not NULL terminated at line %s" % (arr, p1[0].line)
86coccilib.report.print_report(p1[0],msg)
87