3 files changed, 10 insertions, 4 deletions
diff --git a/lib/kunit/device.c b/lib/kunit/device.c
index 9ea3990497..3a31fe9ed6 100644
--- a/lib/kunit/device.c
+++ b/lib/kunit/device.c
@@ -51,7 +51,7 @@ int kunit_bus_init(void)
 
 	error = bus_register(&kunit_bus_type);
 	if (error)
-		bus_unregister(&kunit_bus_type);
+		root_device_unregister(kunit_bus_device);
 	return error;
 }
 
diff --git a/lib/kunit/test.c b/lib/kunit/test.c
index 1d14755785..b8514dbb33 100644
--- a/lib/kunit/test.c
+++ b/lib/kunit/test.c
@@ -712,6 +712,9 @@ int __kunit_test_suites_init(struct kunit_suite * const * const suites, int num_
 {
 	unsigned int i;
 
+	if (num_suites == 0)
+		return 0;
+
 	if (!kunit_enabled() && num_suites > 0) {
 		pr_info("kunit: disabled\n");
 		return 0;
diff --git a/lib/kunit/try-catch.c b/lib/kunit/try-catch.c
index f7825991d5..d9d1df28cc 100644
--- a/lib/kunit/try-catch.c
+++ b/lib/kunit/try-catch.c
@@ -11,6 +11,7 @@
 #include <linux/completion.h>
 #include <linux/kernel.h>
 #include <linux/kthread.h>
+#include <linux/sched/task.h>
 
 #include "try-catch-impl.h"
 
@@ -65,13 +66,14 @@ void kunit_try_catch_run(struct kunit_try_catch *try_catch, void *context)
 	try_catch->context = context;
 	try_catch->try_completion = &try_completion;
 	try_catch->try_result = 0;
-	task_struct = kthread_run(kunit_generic_run_threadfn_adapter,
-				  try_catch,
-				  "kunit_try_catch_thread");
+	task_struct = kthread_create(kunit_generic_run_threadfn_adapter,
+				     try_catch, "kunit_try_catch_thread");
 	if (IS_ERR(task_struct)) {
 		try_catch->catch(try_catch->context);
 		return;
 	}
+	get_task_struct(task_struct);
+	wake_up_process(task_struct);
 
 	time_remaining = wait_for_completion_timeout(&try_completion,
 						     kunit_test_timeout());
@@ -81,6 +83,7 @@ void kunit_try_catch_run(struct kunit_try_catch *try_catch, void *context)
 		kthread_stop(task_struct);
 	}
 
+	put_task_struct(task_struct);
 	exit_code = try_catch->try_result;
 
 	if (!exit_code)