linux_dsm_epyc7002/scripts/coccinelle/api/kobj_to_dev.cocci
Denis Efremov a2fc3718bc coccinelle: api: add kobj_to_dev.cocci script
Use kobj_to_dev() instead of container_of().

Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
2020-08-21 22:35:48 +02:00

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// SPDX-License-Identifier: GPL-2.0-only
///
/// Use kobj_to_dev() instead of container_of()
///
// Confidence: High
// Copyright: (C) 2020 Denis Efremov ISPRAS
// Options: --no-includes --include-headers
//
// Keywords: kobj_to_dev, container_of
//
virtual context
virtual report
virtual org
virtual patch
@r depends on !patch@
expression ptr;
symbol kobj;
position p;
@@
* container_of(ptr, struct device, kobj)@p
@depends on patch@
expression ptr;
@@
- container_of(ptr, struct device, kobj)
+ kobj_to_dev(ptr)
@script:python depends on report@
p << r.p;
@@
coccilib.report.print_report(p[0], "WARNING opportunity for kobj_to_dev()")
@script:python depends on org@
p << r.p;
@@
coccilib.org.print_todo(p[0], "WARNING opportunity for kobj_to_dev()")