1/// Find missing pci_free_consistent for every pci_alloc_consistent.
 2///
 3// Confidence: Moderate
 4// Copyright: (C) 2013 Petr Strnad.  GPLv2.
 5// URL: http://coccinelle.lip6.fr/
 6// Keywords: pci_free_consistent, pci_alloc_consistent
 7// Options: --no-includes --include-headers
 8
 9virtual report
10virtual org
11
12@search@
13local idexpression id;
14expression x,y,z,e;
15position p1,p2;
16type T;
17@@
18
19id = pci_alloc_consistent@p1(x,y,&z)
20... when != e = id
21if (id == NULL || ...) { ... return ...; }
22... when != pci_free_consistent(x,y,id,z)
23    when != if (id) { ... pci_free_consistent(x,y,id,z) ... }
24    when != if (y) { ... pci_free_consistent(x,y,id,z) ... }
25    when != e = (T)id
26    when exists
27(
28return 0;
29|
30return 1;
31|
32return id;
33|
34return@p2 ...;
35)
36
37@script:python depends on report@
38p1 << search.p1;
39p2 << search.p2;
40@@
41
42msg = "ERROR: missing pci_free_consistent; pci_alloc_consistent on line %s and return without freeing on line %s" % (p1[0].line,p2[0].line)
43coccilib.report.print_report(p2[0],msg)
44
45@script:python depends on org@
46p1 << search.p1;
47p2 << search.p2;
48@@
49
50msg = "ERROR: missing pci_free_consistent; pci_alloc_consistent on line %s and return without freeing on line %s" % (p1[0].line,p2[0].line)
51cocci.print_main(msg,p1)
52cocci.print_secs("",p2)

 1// SPDX-License-Identifier: GPL-2.0-only
 2/// Find missing pci_free_consistent for every pci_alloc_consistent.
 3///
 4// Confidence: Moderate
 5// Copyright: (C) 2013 Petr Strnad.
 6// URL: https://coccinelle.gitlabpages.inria.fr/website
 7// Keywords: pci_free_consistent, pci_alloc_consistent
 8// Options: --no-includes --include-headers
 9
10virtual report
11virtual org
12
13@search@
14local idexpression id;
15expression x,y,z,e;
16position p1,p2;
17type T;
18@@
19
20id = pci_alloc_consistent@p1(x,y,&z)
21... when != e = id
22if (id == NULL || ...) { ... return ...; }
23... when != pci_free_consistent(x,y,id,z)
24    when != if (id) { ... pci_free_consistent(x,y,id,z) ... }
25    when != if (y) { ... pci_free_consistent(x,y,id,z) ... }
26    when != e = (T)id
27    when exists
28(
29return 0;
30|
31return 1;
32|
33return id;
34|
35return@p2 ...;
36)
37
38@script:python depends on report@
39p1 << search.p1;
40p2 << search.p2;
41@@
42
43msg = "ERROR: missing pci_free_consistent; pci_alloc_consistent on line %s and return without freeing on line %s" % (p1[0].line,p2[0].line)
44coccilib.report.print_report(p2[0],msg)
45
46@script:python depends on org@
47p1 << search.p1;
48p2 << search.p2;
49@@
50
51msg = "ERROR: missing pci_free_consistent; pci_alloc_consistent on line %s and return without freeing on line %s" % (p1[0].line,p2[0].line)
52cocci.print_main(msg,p1)
53cocci.print_secs("",p2)