110 lines
2.3 KiB
Text
110 lines
2.3 KiB
Text
|
/// Make sure pm_runtime_* calls does not use unnecessary IS_ERR_VALUE
|
||
|
|
//
|
||
|
|
// Keywords: pm_runtime
|
||
|
|
// Confidence: Medium
|
||
|
|
// Copyright (C) 2013 Texas Instruments Incorporated - GPLv2.
|
||
|
|
// URL: http://coccinelle.lip6.fr/
|
||
|
|
// Options: --include-headers
|
||
|
|
|
||
|
|
virtual patch
|
||
|
|
virtual context
|
||
|
|
virtual org
|
||
|
|
virtual report
|
||
|
|
|
||
|
|
//----------------------------------------------------------
|
||
|
|
// Detection
|
||
|
|
//----------------------------------------------------------
|
||
|
|
|
||
|
|
@runtime_bad_err_handle exists@
|
||
|
|
expression ret;
|
||
|
|
@@
|
||
|
|
(
|
||
|
|
ret = \(pm_runtime_idle\|
|
||
|
|
pm_runtime_suspend\|
|
||
|
|
pm_runtime_autosuspend\|
|
||
|
|
pm_runtime_resume\|
|
||
|
|
pm_request_idle\|
|
||
|
|
pm_request_resume\|
|
||
|
|
pm_request_autosuspend\|
|
||
|
|
pm_runtime_get\|
|
||
|
|
pm_runtime_get_sync\|
|
||
|
|
pm_runtime_put\|
|
||
|
|
pm_runtime_put_autosuspend\|
|
||
|
|
pm_runtime_put_sync\|
|
||
|
|
pm_runtime_put_sync_suspend\|
|
||
|
|
pm_runtime_put_sync_autosuspend\|
|
||
|
|
pm_runtime_set_active\|
|
||
|
|
pm_schedule_suspend\|
|
||
|
|
pm_runtime_barrier\|
|
||
|
|
pm_generic_runtime_suspend\|
|
||
|
|
pm_generic_runtime_resume\)(...);
|
||
|
|
...
|
||
|
|
IS_ERR_VALUE(ret)
|
||
|
|
...
|
||
|
|
)
|
||
|
|
|
||
|
|
//----------------------------------------------------------
|
||
|
|
// For context mode
|
||
|
|
//----------------------------------------------------------
|
||
|
|
|
||
|
|
@depends on runtime_bad_err_handle && context@
|
||
|
|
identifier pm_runtime_api;
|
||
|
|
expression ret;
|
||
|
|
@@
|
||
|
|
(
|
||
|
|
ret = pm_runtime_api(...);
|
||
|
|
...
|
||
|
|
* IS_ERR_VALUE(ret)
|
||
|
|
...
|
||
|
|
)
|
||
|
|
|
||
|
|
//----------------------------------------------------------
|
||
|
|
// For patch mode
|
||
|
|
//----------------------------------------------------------
|
||
|
|
|
||
|
|
@depends on runtime_bad_err_handle && patch@
|
||
|
|
identifier pm_runtime_api;
|
||
|
|
expression ret;
|
||
|
|
@@
|
||
|
|
(
|
||
|
|
ret = pm_runtime_api(...);
|
||
|
|
...
|
||
|
|
- IS_ERR_VALUE(ret)
|
||
|
|
+ ret < 0
|
||
|
|
...
|
||
|
|
)
|
||
|
|
|
||
|
|
//----------------------------------------------------------
|
||
|
|
// For org and report mode
|
||
|
|
//----------------------------------------------------------
|
||
|
|
|
||
|
|
@r depends on runtime_bad_err_handle exists@
|
||
|
|
position p1, p2;
|
||
|
|
identifier pm_runtime_api;
|
||
|
|
expression ret;
|
||
|
|
@@
|
||
|
|
(
|
||
|
|
ret = pm_runtime_api@p1(...);
|
||
|
|
...
|
||
|
|
IS_ERR_VALUE@p2(ret)
|
||
|
|
...
|
||
|
|
)
|
||
|
|
|
||
|
|
@script:python depends on org@
|
||
|
|
p1 << r.p1;
|
||
|
|
p2 << r.p2;
|
||
|
|
pm_runtime_api << r.pm_runtime_api;
|
||
|
|
@@
|
||
|
|
|
||
|
|
cocci.print_main(pm_runtime_api,p1)
|
||
|
|
cocci.print_secs("IS_ERR_VALUE",p2)
|
||
|
|
|
||
|
|
@script:python depends on report@
|
||
|
|
p1 << r.p1;
|
||
|
|
p2 << r.p2;
|
||
|
|
pm_runtime_api << r.pm_runtime_api;
|
||
|
|
@@
|
||
|
|
|
||
|
|
msg = "%s returns < 0 as error. Unecessary IS_ERR_VALUE at line %s" % (pm_runtime_api, p2[0].line)
|
||
|
|
coccilib.report.print_report(p1[0],msg)
|