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1/// Make sure pm_runtime_* calls does not use unnecessary IS_ERR_VALUE
2///
3// Keywords: pm_runtime
4// Confidence: Medium
5// Copyright (C) 2013 Texas Instruments Incorporated - GPLv2.
6// URL: http://coccinelle.lip6.fr/
7// Options: --include-headers
8
9virtual patch
10virtual context
11virtual org
12virtual report
13
14//----------------------------------------------------------
15// Detection
16//----------------------------------------------------------
17
18@runtime_bad_err_handle exists@
19expression ret;
20position p;
21@@
22(
23ret@p = \(pm_runtime_idle\|
24 pm_runtime_suspend\|
25 pm_runtime_autosuspend\|
26 pm_runtime_resume\|
27 pm_request_idle\|
28 pm_request_resume\|
29 pm_request_autosuspend\|
30 pm_runtime_get\|
31 pm_runtime_get_sync\|
32 pm_runtime_put\|
33 pm_runtime_put_autosuspend\|
34 pm_runtime_put_sync\|
35 pm_runtime_put_sync_suspend\|
36 pm_runtime_put_sync_autosuspend\|
37 pm_runtime_set_active\|
38 pm_schedule_suspend\|
39 pm_runtime_barrier\|
40 pm_generic_runtime_suspend\|
41 pm_generic_runtime_resume\)(...);
42...
43IS_ERR_VALUE(ret)
44...
45)
46
47//----------------------------------------------------------
48// For context mode
49//----------------------------------------------------------
50
51@depends on context@
52identifier pm_runtime_api;
53expression ret;
54position runtime_bad_err_handle.p;
55@@
56(
57ret@p = pm_runtime_api(...);
58...
59* IS_ERR_VALUE(ret)
60...
61)
62
63//----------------------------------------------------------
64// For patch mode
65//----------------------------------------------------------
66
67@depends on patch@
68identifier pm_runtime_api;
69expression ret;
70position runtime_bad_err_handle.p;
71@@
72(
73ret@p = pm_runtime_api(...);
74...
75- IS_ERR_VALUE(ret)
76+ ret < 0
77...
78)
79
80//----------------------------------------------------------
81// For org and report mode
82//----------------------------------------------------------
83
84@r depends on (org || report) exists@
85position p1, p2;
86identifier pm_runtime_api;
87expression ret;
88position runtime_bad_err_handle.p;
89@@
90(
91ret@p = pm_runtime_api@p1(...);
92...
93IS_ERR_VALUE@p2(ret)
94...
95)
96
97@script:python depends on org@
98p1 << r.p1;
99p2 << r.p2;
100pm_runtime_api << r.pm_runtime_api;
101@@
102
103cocci.print_main(pm_runtime_api,p1)
104cocci.print_secs("IS_ERR_VALUE",p2)
105
106@script:python depends on report@
107p1 << r.p1;
108p2 << r.p2;
109pm_runtime_api << r.pm_runtime_api;
110@@
111
112msg = "%s returns < 0 as error. Unecessary IS_ERR_VALUE at line %s" % (pm_runtime_api, p2[0].line)
113coccilib.report.print_report(p1[0],msg)
1/// Make sure pm_runtime_* calls does not use unnecessary IS_ERR_VALUE
2///
3// Keywords: pm_runtime
4// Confidence: Medium
5// Copyright (C) 2013 Texas Instruments Incorporated - GPLv2.
6// URL: http://coccinelle.lip6.fr/
7// Options: --include-headers
8
9virtual patch
10virtual context
11virtual org
12virtual report
13
14//----------------------------------------------------------
15// Detection
16//----------------------------------------------------------
17
18@runtime_bad_err_handle exists@
19expression ret;
20@@
21(
22ret = \(pm_runtime_idle\|
23 pm_runtime_suspend\|
24 pm_runtime_autosuspend\|
25 pm_runtime_resume\|
26 pm_request_idle\|
27 pm_request_resume\|
28 pm_request_autosuspend\|
29 pm_runtime_get\|
30 pm_runtime_get_sync\|
31 pm_runtime_put\|
32 pm_runtime_put_autosuspend\|
33 pm_runtime_put_sync\|
34 pm_runtime_put_sync_suspend\|
35 pm_runtime_put_sync_autosuspend\|
36 pm_runtime_set_active\|
37 pm_schedule_suspend\|
38 pm_runtime_barrier\|
39 pm_generic_runtime_suspend\|
40 pm_generic_runtime_resume\)(...);
41...
42IS_ERR_VALUE(ret)
43...
44)
45
46//----------------------------------------------------------
47// For context mode
48//----------------------------------------------------------
49
50@depends on runtime_bad_err_handle && context@
51identifier pm_runtime_api;
52expression ret;
53@@
54(
55ret = pm_runtime_api(...);
56...
57* IS_ERR_VALUE(ret)
58...
59)
60
61//----------------------------------------------------------
62// For patch mode
63//----------------------------------------------------------
64
65@depends on runtime_bad_err_handle && patch@
66identifier pm_runtime_api;
67expression ret;
68@@
69(
70ret = pm_runtime_api(...);
71...
72- IS_ERR_VALUE(ret)
73+ ret < 0
74...
75)
76
77//----------------------------------------------------------
78// For org and report mode
79//----------------------------------------------------------
80
81@r depends on runtime_bad_err_handle && (org || report) exists@
82position p1, p2;
83identifier pm_runtime_api;
84expression ret;
85@@
86(
87ret = pm_runtime_api@p1(...);
88...
89IS_ERR_VALUE@p2(ret)
90...
91)
92
93@script:python depends on org@
94p1 << r.p1;
95p2 << r.p2;
96pm_runtime_api << r.pm_runtime_api;
97@@
98
99cocci.print_main(pm_runtime_api,p1)
100cocci.print_secs("IS_ERR_VALUE",p2)
101
102@script:python depends on report@
103p1 << r.p1;
104p2 << r.p2;
105pm_runtime_api << r.pm_runtime_api;
106@@
107
108msg = "%s returns < 0 as error. Unecessary IS_ERR_VALUE at line %s" % (pm_runtime_api, p2[0].line)
109coccilib.report.print_report(p1[0],msg)