projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 51169c80 NP |
1 | /// |
| 2 | /// Casting (void *) value returned by kmalloc is useless | |
| 3 | /// as mentioned in Documentation/CodingStyle, Chap 14. | |
| 4 | /// | |
| 5 | // Confidence: High | |
| 6 | // Copyright: 2009,2010 Nicolas Palix, DIKU. GPLv2. | |
| 7 | // URL: http://coccinelle.lip6.fr/ | |
| 8 | // Options: -no_includes -include_headers | |
| 9 | // | |
| 10 | // Keywords: kmalloc, kzalloc, kcalloc | |
| 11 | // Version min: < 2.6.12 kmalloc | |
| 12 | // Version min: < 2.6.12 kcalloc | |
| 13 | // Version min: 2.6.14 kzalloc | |
| 14 | // | |
| 15 | ||
| 16 | virtual context | |
| 17 | virtual patch | |
| 18 | virtual org | |
| 19 | virtual report | |
| 20 | ||
| 21 | //---------------------------------------------------------- | |
| 22 | // For context mode | |
| 23 | //---------------------------------------------------------- | |
| 24 | ||
| 25 | @depends on context@ | |
| 26 | type T; | |
| 27 | @@ | |
| 28 | ||
| 29 | * (T *) | |
| 30 | \(kmalloc\|kzalloc\|kcalloc\)(...) | |
| 31 | ||
| 32 | //---------------------------------------------------------- | |
| 33 | // For patch mode | |
| 34 | //---------------------------------------------------------- | |
| 35 | ||
| 36 | @depends on patch@ | |
| 37 | type T; | |
| 38 | @@ | |
| 39 | ||
| 40 | - (T *) | |
| 41 | \(kmalloc\|kzalloc\|kcalloc\)(...) | |
| 42 | ||
| 43 | //---------------------------------------------------------- | |
| 44 | // For org and report mode | |
| 45 | //---------------------------------------------------------- | |
| 46 | ||
| 47 | @r depends on org || report@ | |
| 48 | type T; | |
| 49 | position p; | |
| 50 | @@ | |
| 51 | ||
| 52 | (T@p *)\(kmalloc\|kzalloc\|kcalloc\)(...) | |
| 53 | ||
| 54 | @script:python depends on org@ | |
| 55 | p << r.p; | |
| 56 | t << r.T; | |
| 57 | @@ | |
| 58 | ||
| 59 | coccilib.org.print_safe_todo(p[0], t) | |
| 60 | ||
| 61 | @script:python depends on report@ | |
| 62 | p << r.p; | |
| 63 | t << r.T; | |
| 64 | @@ | |
| 65 | ||
| 66 | msg="WARNING: casting value returned by k[cmz]alloc to (%s *) is useless." % (t) | |
| 67 | coccilib.report.print_report(p[0], msg) |