You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
1.4 KiB
67 lines
1.4 KiB
///
|
|
/// Casting (void *) value returned by kmalloc is useless
|
|
/// as mentioned in Documentation/CodingStyle, Chap 14.
|
|
///
|
|
// Confidence: High
|
|
// Copyright: 2009,2010 Nicolas Palix, DIKU. GPLv2.
|
|
// URL: http://coccinelle.lip6.fr/
|
|
// Options: -no_includes -include_headers
|
|
//
|
|
// Keywords: kmalloc, kzalloc, kcalloc
|
|
// Version min: < 2.6.12 kmalloc
|
|
// Version min: < 2.6.12 kcalloc
|
|
// Version min: 2.6.14 kzalloc
|
|
//
|
|
|
|
virtual context
|
|
virtual patch
|
|
virtual org
|
|
virtual report
|
|
|
|
//----------------------------------------------------------
|
|
// For context mode
|
|
//----------------------------------------------------------
|
|
|
|
@depends on context@
|
|
type T;
|
|
@@
|
|
|
|
* (T *)
|
|
\(kmalloc\|kzalloc\|kcalloc\)(...)
|
|
|
|
//----------------------------------------------------------
|
|
// For patch mode
|
|
//----------------------------------------------------------
|
|
|
|
@depends on patch@
|
|
type T;
|
|
@@
|
|
|
|
- (T *)
|
|
\(kmalloc\|kzalloc\|kcalloc\)(...)
|
|
|
|
//----------------------------------------------------------
|
|
// For org and report mode
|
|
//----------------------------------------------------------
|
|
|
|
@r depends on org || report@
|
|
type T;
|
|
position p;
|
|
@@
|
|
|
|
(T@p *)\(kmalloc\|kzalloc\|kcalloc\)(...)
|
|
|
|
@script:python depends on org@
|
|
p << r.p;
|
|
t << r.T;
|
|
@@
|
|
|
|
coccilib.org.print_safe_todo(p[0], t)
|
|
|
|
@script:python depends on report@
|
|
p << r.p;
|
|
t << r.T;
|
|
@@
|
|
|
|
msg="WARNING: casting value returned by k[cmz]alloc to (%s *) is useless." % (t)
|
|
coccilib.report.print_report(p[0], msg)
|
|
|