summaryrefslogtreecommitdiff
path: root/scripts/coccinelle/misc/irqf_oneshot.cocci
blob: a24a754ae1d7283f39e09541d41384b9c88773a2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
/// Make sure threaded IRQs without a primary handler are always request with
/// IRQF_ONESHOT
///
//
// Confidence: Good
// Comments:
// Options: --no-includes

virtual patch
virtual context
virtual org
virtual report

@r1@
expression dev;
expression irq;
expression thread_fn;
expression flags;
position p;
@@
(
request_threaded_irq@p(irq, NULL, thread_fn,
(
flags | IRQF_ONESHOT
|
IRQF_ONESHOT
)
, ...)
|
devm_request_threaded_irq@p(dev, irq, NULL, thread_fn,
(
flags | IRQF_ONESHOT
|
IRQF_ONESHOT
)
, ...)
)

@depends on patch@
expression dev;
expression irq;
expression thread_fn;
expression flags;
position p != r1.p;
@@
(
request_threaded_irq@p(irq, NULL, thread_fn,
(
-0
+IRQF_ONESHOT
|
-flags
+flags | IRQF_ONESHOT
)
, ...)
|
devm_request_threaded_irq@p(dev, irq, NULL, thread_fn,
(
-0
+IRQF_ONESHOT
|
-flags
+flags | IRQF_ONESHOT
)
, ...)
)

@depends on context@
position p != r1.p;
@@
*request_threaded_irq@p(...)

@match depends on report || org@
expression irq;
position p != r1.p;
@@
request_threaded_irq@p(irq, NULL, ...)

@script:python depends on org@
p << match.p;
@@
msg = "ERROR: Threaded IRQ with no primary handler requested without IRQF_ONESHOT"
coccilib.org.print_todo(p[0],msg)

@script:python depends on report@
p << match.p;
@@
msg = "ERROR: Threaded IRQ with no primary handler requested without IRQF_ONESHOT"
coccilib.report.print_report(p[0],msg)