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-rw-r--r--lib/kunit/test.c39
1 files changed, 35 insertions, 4 deletions
diff --git a/lib/kunit/test.c b/lib/kunit/test.c
index ec9494e914ef..2f6cc0123232 100644
--- a/lib/kunit/test.c
+++ b/lib/kunit/test.c
@@ -7,6 +7,7 @@
*/
#include <kunit/test.h>
+#include <kunit/test-bug.h>
#include <linux/kernel.h>
#include <linux/kref.h>
#include <linux/sched/debug.h>
@@ -16,6 +17,40 @@
#include "string-stream.h"
#include "try-catch-impl.h"
+#if IS_BUILTIN(CONFIG_KUNIT)
+/*
+ * Fail the current test and print an error message to the log.
+ */
+void __kunit_fail_current_test(const char *file, int line, const char *fmt, ...)
+{
+ va_list args;
+ int len;
+ char *buffer;
+
+ if (!current->kunit_test)
+ return;
+
+ kunit_set_failure(current->kunit_test);
+
+ /* kunit_err() only accepts literals, so evaluate the args first. */
+ va_start(args, fmt);
+ len = vsnprintf(NULL, 0, fmt, args) + 1;
+ va_end(args);
+
+ buffer = kunit_kmalloc(current->kunit_test, len, GFP_KERNEL);
+ if (!buffer)
+ return;
+
+ va_start(args, fmt);
+ vsnprintf(buffer, len, fmt, args);
+ va_end(args);
+
+ kunit_err(current->kunit_test, "%s:%d: %s", file, line, buffer);
+ kunit_kfree(current->kunit_test, buffer);
+}
+EXPORT_SYMBOL_GPL(__kunit_fail_current_test);
+#endif
+
/*
* Append formatted message to log, size of which is limited to
* KUNIT_LOG_SIZE bytes (including null terminating byte).
@@ -273,9 +308,7 @@ static void kunit_try_run_case(void *data)
struct kunit_suite *suite = ctx->suite;
struct kunit_case *test_case = ctx->test_case;
-#if (IS_ENABLED(CONFIG_KASAN) && IS_ENABLED(CONFIG_KUNIT))
current->kunit_test = test;
-#endif /* IS_ENABLED(CONFIG_KASAN) && IS_ENABLED(CONFIG_KUNIT) */
/*
* kunit_run_case_internal may encounter a fatal error; if it does,
@@ -624,9 +657,7 @@ void kunit_cleanup(struct kunit *test)
spin_unlock(&test->lock);
kunit_remove_resource(test, res);
}
-#if (IS_ENABLED(CONFIG_KASAN) && IS_ENABLED(CONFIG_KUNIT))
current->kunit_test = NULL;
-#endif /* IS_ENABLED(CONFIG_KASAN) && IS_ENABLED(CONFIG_KUNIT)*/
}
EXPORT_SYMBOL_GPL(kunit_cleanup);