| // SPDX-License-Identifier: GPL-2.0-only | |
| /// | |
| /// Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR | |
| /// | |
| // Confidence: High | |
| // Copyright: (C) 2012 Julia Lawall, INRIA/LIP6. | |
| // Copyright: (C) 2012 Gilles Muller, INRIA/LiP6. | |
| // URL: http://coccinelle.lip6.fr/ | |
| // Options: --no-includes --include-headers | |
| // | |
| // Keywords: ERR_PTR, PTR_ERR, PTR_ERR_OR_ZERO | |
| // 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_ERR_OR_ZERO(ptr); | |
| @depends on patch@ | |
| expression ptr; | |
| @@ | |
| - if (IS_ERR(ptr)) return PTR_ERR(ptr); return 0; | |
| + return PTR_ERR_OR_ZERO(ptr); | |
| @depends on patch@ | |
| expression ptr; | |
| @@ | |
| - (IS_ERR(ptr) ? PTR_ERR(ptr) : 0) | |
| + PTR_ERR_OR_ZERO(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; | |
| @r3 depends on !patch@ | |
| expression ptr; | |
| position p3; | |
| @@ | |
| * IS_ERR@p3(ptr) ? PTR_ERR(ptr) : 0 | |
| @script:python depends on org@ | |
| p << r1.p1; | |
| @@ | |
| coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used") | |
| @script:python depends on org@ | |
| p << r2.p2; | |
| @@ | |
| 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") | |
| @script:python depends on report@ | |
| p << r1.p1; | |
| @@ | |
| coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used") | |
| @script:python depends on report@ | |
| p << r2.p2; | |
| @@ | |
| 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") |