| /// |
| /// Use PTR_RET rather than if(IS_ERR(...)) + PTR_ERR |
| /// |
| // Confidence: High |
| // Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. GPLv2. |
| // Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. GPLv2. |
| // URL: http://coccinelle.lip6.fr/ |
| // Options: -no_includes -include_headers |
| // |
| // Keywords: ERR_PTR, PTR_ERR, PTR_RET |
| // 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; |
| + return PTR_RET(ptr); |
| |
| @depends on patch@ |
| expression ptr; |
| @@ |
| |
| - if (IS_ERR(ptr)) return PTR_ERR(ptr); return 0; |
| + return PTR_RET(ptr); |
| |
| @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; |
| |
| @script:python depends on org@ |
| p << r1.p1; |
| @@ |
| |
| coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used") |
| |
| |
| @script:python depends on org@ |
| p << r2.p2; |
| @@ |
| |
| coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used") |
| |
| @script:python depends on report@ |
| p << r1.p1; |
| @@ |
| |
| coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used") |
| |
| @script:python depends on report@ |
| p << r2.p2; |
| @@ |
| |
| coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used") |