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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /scripts/coccinelle/api/pm_runtime.cocci
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--scripts/coccinelle/api/pm_runtime.cocci113
1 files changed, 113 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..d67ccf5f8
--- /dev/null
+++ b/scripts/coccinelle/api/pm_runtime.cocci
@@ -0,0 +1,113 @@
+/// 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;
+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)