scripts/coccinelle/api/pm_runtime.cocci

Source file repositories/reference/linux-study-clean/scripts/coccinelle/api/pm_runtime.cocci

File Facts

System
Linux kernel
Corpus path
scripts/coccinelle/api/pm_runtime.cocci
Extension
.cocci
Size
2428 bytes
Lines
114
Domain
Support Tooling And Documentation
Bucket
scripts
Inferred role
Support Tooling And Documentation: scripts
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/// Make sure pm_runtime_* calls do not unnecessarily use IS_ERR_VALUE
///
// Keywords: pm_runtime
// Confidence: Medium
// Copyright (C) 2013 Texas Instruments Incorporated -
// URL: https://coccinelle.gitlabpages.inria.fr/website
// Options: --include-headers

virtual patch
virtual context
virtual org
virtual report

//----------------------------------------------------------
//  Detection
//----------------------------------------------------------

@runtime_bad_err_handle exists@
expression ret;
position p;
@@
(
ret@p = \(pm_runtime_idle\|
	pm_runtime_suspend\|
	pm_runtime_autosuspend\|
	pm_runtime_resume\|
	pm_request_idle\|
	pm_request_resume\|
	pm_request_autosuspend\|
	pm_runtime_get\|
	pm_runtime_get_sync\|
	pm_runtime_put\|
	pm_runtime_put_autosuspend\|
	pm_runtime_put_sync\|
	pm_runtime_put_sync_suspend\|
	pm_runtime_put_sync_autosuspend\|
	pm_runtime_set_active\|
	pm_schedule_suspend\|
	pm_generic_runtime_suspend\|
	pm_generic_runtime_resume\)(...);
...
IS_ERR_VALUE(ret)
...
)

//----------------------------------------------------------
//  For context mode
//----------------------------------------------------------

@depends on context@
identifier pm_runtime_api;
expression ret;
position runtime_bad_err_handle.p;
@@
(
ret@p = pm_runtime_api(...);
...
* IS_ERR_VALUE(ret)
...
)

//----------------------------------------------------------
//  For patch mode
//----------------------------------------------------------

@depends on patch@
identifier pm_runtime_api;
expression ret;
position runtime_bad_err_handle.p;

Annotation

Implementation Notes