diff options
Diffstat (limited to 'scripts/coccinelle/api/pm_runtime.cocci')
| -rw-r--r-- | scripts/coccinelle/api/pm_runtime.cocci | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/scripts/coccinelle/api/pm_runtime.cocci b/scripts/coccinelle/api/pm_runtime.cocci new file mode 100644 index 000000000..1ccce3fd0 --- /dev/null +++ b/scripts/coccinelle/api/pm_runtime.cocci @@ -0,0 +1,114 @@ +// SPDX-License-Identifier: GPL-2.0-only +/// Make sure pm_runtime_* calls does not use unnecessary IS_ERR_VALUE +/// +// Keywords: pm_runtime +// Confidence: Medium +// Copyright (C) 2013 Texas Instruments Incorporated - +// URL: http://coccinelle.lip6.fr/ +// Options: --include-headers + +virtual patch +virtual context +virtual org +virtual report + +//---------------------------------------------------------- +// Detection +//---------------------------------------------------------- + +@runtime_bad_err_handle exists@ +expression ret; +position p; +@@ +( +ret@p = \(pm_runtime_idle\| + pm_runtime_suspend\| + pm_runtime_autosuspend\| + pm_runtime_resume\| + pm_request_idle\| + pm_request_resume\| + pm_request_autosuspend\| + pm_runtime_get\| + pm_runtime_get_sync\| + pm_runtime_put\| + pm_runtime_put_autosuspend\| + pm_runtime_put_sync\| + pm_runtime_put_sync_suspend\| + pm_runtime_put_sync_autosuspend\| + pm_runtime_set_active\| + pm_schedule_suspend\| + pm_runtime_barrier\| + pm_generic_runtime_suspend\| + pm_generic_runtime_resume\)(...); +... +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; +@@ +( +ret@p = pm_runtime_api(...); +... +- IS_ERR_VALUE(ret) ++ ret < 0 +... +) + +//---------------------------------------------------------- +// For org and report mode +//---------------------------------------------------------- + +@r depends on (org || report) exists@ +position p1, p2; +identifier pm_runtime_api; +expression ret; +position runtime_bad_err_handle.p; +@@ +( +ret@p = 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) |