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-rw-r--r--scripts/coccinelle/api/pm_runtime.cocci114
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..4b9778874
--- /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: 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 = \(pm_runtime_idle\|
+ pm_runtime_suspend\|
+ pm_runtime_autosuspend\|
+ pm_runtime_resume\|
+ pm_request_idle\|
+ pm_request_resume\|
+ pm_request_autosuspend\|
+ pm_runtime_get\|
+ pm_runtime_get_sync\|
+ pm_runtime_put\|
+ pm_runtime_put_autosuspend\|
+ pm_runtime_put_sync\|
+ pm_runtime_put_sync_suspend\|
+ pm_runtime_put_sync_autosuspend\|
+ pm_runtime_set_active\|
+ pm_schedule_suspend\|
+ pm_runtime_barrier\|
+ pm_generic_runtime_suspend\|
+ pm_generic_runtime_resume\)(...);
+...
+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)