2024-09-09 08:52:07 +00:00
|
|
|
///
|
2024-09-09 08:57:42 +00:00
|
|
|
/// Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
|
2024-09-09 08:52:07 +00:00
|
|
|
///
|
|
|
|
|
// Confidence: High
|
|
|
|
|
// Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. GPLv2.
|
|
|
|
|
// Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. GPLv2.
|
|
|
|
|
// URL: http://coccinelle.lip6.fr/
|
2024-09-09 08:57:42 +00:00
|
|
|
// Options: --no-includes --include-headers
|
2024-09-09 08:52:07 +00:00
|
|
|
//
|
2024-09-09 08:57:42 +00:00
|
|
|
// Keywords: ERR_PTR, PTR_ERR, PTR_ERR_OR_ZERO
|
2024-09-09 08:52:07 +00:00
|
|
|
// Version min: 2.6.39
|
|
|
|
|
//
|
|
|
|
|
|
|
|
|
|
virtual context
|
|
|
|
|
virtual patch
|
|
|
|
|
virtual org
|
|
|
|
|
virtual report
|
|
|
|
|
|
|
|
|
|
@depends on patch@
|
|
|
|
|
expression ptr;
|
|
|
|
|
@@
|
|
|
|
|
|
|
|
|
|
- if (IS_ERR(ptr)) return PTR_ERR(ptr); else return 0;
|
2024-09-09 08:57:42 +00:00
|
|
|
+ return PTR_ERR_OR_ZERO(ptr);
|
2024-09-09 08:52:07 +00:00
|
|
|
|
|
|
|
|
@depends on patch@
|
|
|
|
|
expression ptr;
|
|
|
|
|
@@
|
|
|
|
|
|
|
|
|
|
- if (IS_ERR(ptr)) return PTR_ERR(ptr); return 0;
|
2024-09-09 08:57:42 +00:00
|
|
|
+ return PTR_ERR_OR_ZERO(ptr);
|
|
|
|
|
|
|
|
|
|
@depends on patch@
|
|
|
|
|
expression ptr;
|
|
|
|
|
@@
|
|
|
|
|
|
|
|
|
|
- (IS_ERR(ptr) ? PTR_ERR(ptr) : 0)
|
|
|
|
|
+ PTR_ERR_OR_ZERO(ptr)
|
2024-09-09 08:52:07 +00:00
|
|
|
|
|
|
|
|
@r1 depends on !patch@
|
|
|
|
|
expression ptr;
|
|
|
|
|
position p1;
|
|
|
|
|
@@
|
|
|
|
|
|
|
|
|
|
* if@p1 (IS_ERR(ptr)) return PTR_ERR(ptr); else return 0;
|
|
|
|
|
|
|
|
|
|
@r2 depends on !patch@
|
|
|
|
|
expression ptr;
|
|
|
|
|
position p2;
|
|
|
|
|
@@
|
|
|
|
|
|
|
|
|
|
* if@p2 (IS_ERR(ptr)) return PTR_ERR(ptr); return 0;
|
|
|
|
|
|
2024-09-09 08:57:42 +00:00
|
|
|
@r3 depends on !patch@
|
|
|
|
|
expression ptr;
|
|
|
|
|
position p3;
|
|
|
|
|
@@
|
|
|
|
|
|
|
|
|
|
* IS_ERR@p3(ptr) ? PTR_ERR(ptr) : 0
|
|
|
|
|
|
2024-09-09 08:52:07 +00:00
|
|
|
@script:python depends on org@
|
|
|
|
|
p << r1.p1;
|
|
|
|
|
@@
|
|
|
|
|
|
2024-09-09 08:57:42 +00:00
|
|
|
coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
|
2024-09-09 08:52:07 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
@script:python depends on org@
|
|
|
|
|
p << r2.p2;
|
|
|
|
|
@@
|
|
|
|
|
|
2024-09-09 08:57:42 +00:00
|
|
|
coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
|
|
|
|
|
|
|
|
|
|
@script:python depends on org@
|
|
|
|
|
p << r3.p3;
|
|
|
|
|
@@
|
|
|
|
|
|
|
|
|
|
coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
|
2024-09-09 08:52:07 +00:00
|
|
|
|
|
|
|
|
@script:python depends on report@
|
|
|
|
|
p << r1.p1;
|
|
|
|
|
@@
|
|
|
|
|
|
2024-09-09 08:57:42 +00:00
|
|
|
coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
|
2024-09-09 08:52:07 +00:00
|
|
|
|
|
|
|
|
@script:python depends on report@
|
|
|
|
|
p << r2.p2;
|
|
|
|
|
@@
|
|
|
|
|
|
2024-09-09 08:57:42 +00:00
|
|
|
coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
|
|
|
|
|
|
|
|
|
|
@script:python depends on report@
|
|
|
|
|
p << r3.p3;
|
|
|
|
|
@@
|
|
|
|
|
|
|
|
|
|
coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
|
