Use kobj_to_dev() instead of container_of().
Unified · Split
| @@ -0,0 +1,45 @@ | ||
| 1 | +// SPDX-License-Identifier: GPL-2.0-only | |
| 2 | +/// | |
| 3 | +/// Use kobj_to_dev() instead of container_of() | |
| 4 | +/// | |
| 5 | +// Confidence: High | |
| 6 | +// Copyright: (C) 2020 Denis Efremov ISPRAS | |
| 7 | +// Options: --no-includes --include-headers | |
| 8 | +// | |
| 9 | +// Keywords: kobj_to_dev, container_of | |
| 10 | +// | |
| 11 | + | |
| 12 | +virtual context | |
| 13 | +virtual report | |
| 14 | +virtual org | |
| 15 | +virtual patch | |
| 16 | + | |
| 17 | + | |
| 18 | +@r depends on !patch@ | |
| 19 | +expression ptr; | |
| 20 | +symbol kobj; | |
| 21 | +position p; | |
| 22 | +@@ | |
| 23 | + | |
| 24 | +* container_of(ptr, struct device, kobj)@p | |
| 25 | + | |
| 26 | + | |
| 27 | +@depends on patch@ | |
| 28 | +expression ptr; | |
| 29 | +@@ | |
| 30 | + | |
| 31 | +- container_of(ptr, struct device, kobj) | |
| 32 | ++ kobj_to_dev(ptr) | |
| 33 | + | |
| 34 | + | |
| 35 | +@script:python depends on report@ | |
| 36 | +p << r.p; | |
| 37 | +@@ | |
| 38 | + | |
| 39 | +coccilib.report.print_report(p[0], "WARNING opportunity for kobj_to_dev()") | |
| 40 | + | |
| 41 | +@script:python depends on org@ | |
| 42 | +p << r.p; | |
| 43 | +@@ | |
| 44 | + | |
| 45 | +coccilib.org.print_todo(p[0], "WARNING opportunity for kobj_to_dev()") | |