blob: a9694a8d3e5aba722e03cd130a8d6d032e27a8da (
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
|
/// Make sure calls to d_find_alias() have a corresponding call to dput().
//
// Keywords: d_find_alias, dput
//
// Confidence: Moderate
// URL: http://coccinelle.lip6.fr/
// Options: -include_headers
virtual context
virtual org
virtual patch
virtual report
@r exists@
local idexpression struct dentry *dent;
expression E, E1;
statement S1, S2;
position p1, p2;
@@
(
if (!(dent@p1 = d_find_alias(...))) S1
|
dent@p1 = d_find_alias(...)
)
<...when != dput(dent)
when != if (...) { <+... dput(dent) ...+> }
when != true !dent || ...
when != dent = E
when != E = dent
if (!dent || ...) S2
...>
(
return <+...dent...+>;
|
return @p2 ...;
|
dent@p2 = E1;
|
E1 = dent;
)
@depends on context@
local idexpression struct dentry *r.dent;
position r.p1,r.p2;
@@
* dent@p1 = ...
...
(
* return@p2 ...;
|
* dent@p2
)
@script:python depends on org@
p1 << r.p1;
p2 << r.p2;
@@
cocci.print_main("Missing call to dput()",p1)
cocci.print_secs("",p2)
@depends on patch@
local idexpression struct dentry *r.dent;
position r.p2;
@@
(
+ dput(dent);
return @p2 ...;
|
+ dput(dent);
dent@p2 = ...;
)
@script:python depends on report@
p1 << r.p1;
p2 << r.p2;
@@
msg = "Missing call to dput() at line %s."
coccilib.report.print_report(p1[0], msg % (p2[0].line))
|
