| /// |
| /// 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) |
