1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only
2 /// 2 ///
3 /// Use ERR_CAST inlined function instead of E 3 /// Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))
4 /// 4 ///
5 // Confidence: High 5 // Confidence: High
6 // Copyright: (C) 2009, 2010 Nicolas Palix, DI 6 // Copyright: (C) 2009, 2010 Nicolas Palix, DIKU.
7 // Copyright: (C) 2009, 2010 Julia Lawall, DIK 7 // Copyright: (C) 2009, 2010 Julia Lawall, DIKU.
8 // Copyright: (C) 2009, 2010 Gilles Muller, IN 8 // Copyright: (C) 2009, 2010 Gilles Muller, INRIA/LiP6.
9 // URL: https://coccinelle.gitlabpages.inria.f 9 // URL: https://coccinelle.gitlabpages.inria.fr/website
10 // Options: 10 // Options:
11 // 11 //
12 // Keywords: ERR_PTR, PTR_ERR, ERR_CAST 12 // Keywords: ERR_PTR, PTR_ERR, ERR_CAST
13 // Version min: 2.6.25 13 // Version min: 2.6.25
14 // 14 //
15 15
16 virtual context 16 virtual context
17 virtual patch 17 virtual patch
18 virtual org 18 virtual org
19 virtual report 19 virtual report
20 20
21 21
22 @ depends on context && !patch && !org && !rep 22 @ depends on context && !patch && !org && !report@
23 expression x; 23 expression x;
24 @@ 24 @@
25 25
26 * ERR_PTR(PTR_ERR(x)) 26 * ERR_PTR(PTR_ERR(x))
27 27
28 @ depends on !context && patch && !org && !rep 28 @ depends on !context && patch && !org && !report @
29 expression x; 29 expression x;
30 @@ 30 @@
31 31
32 - ERR_PTR(PTR_ERR(x)) 32 - ERR_PTR(PTR_ERR(x))
33 + ERR_CAST(x) 33 + ERR_CAST(x)
34 34
35 @r depends on !context && !patch && (org || re 35 @r depends on !context && !patch && (org || report)@
36 expression x; 36 expression x;
37 position p; 37 position p;
38 @@ 38 @@
39 39
40 ERR_PTR@p(PTR_ERR(x)) 40 ERR_PTR@p(PTR_ERR(x))
41 41
42 @script:python depends on org@ 42 @script:python depends on org@
43 p << r.p; 43 p << r.p;
44 x << r.x; 44 x << r.x;
45 @@ 45 @@
46 46
47 msg="WARNING ERR_CAST can be used with %s" % ( 47 msg="WARNING ERR_CAST can be used with %s" % (x)
48 msg_safe=msg.replace("[","@(").replace("]",")" 48 msg_safe=msg.replace("[","@(").replace("]",")")
49 coccilib.org.print_todo(p[0], msg_safe) 49 coccilib.org.print_todo(p[0], msg_safe)
50 50
51 @script:python depends on report@ 51 @script:python depends on report@
52 p << r.p; 52 p << r.p;
53 x << r.x; 53 x << r.x;
54 @@ 54 @@
55 55
56 msg="WARNING: ERR_CAST can be used with %s" % 56 msg="WARNING: ERR_CAST can be used with %s" % (x)
57 coccilib.report.print_report(p[0], msg) 57 coccilib.report.print_report(p[0], msg)
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.