platform/chrome: cros_kunit_util: add default value for `msg->result`
Add default value for `msg->result` so that it won't be garbage bytes
when the mock list is empty.
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/20220720044754.4026295-3-tzungbi@kernel.org
diff --git a/drivers/platform/chrome/cros_kunit_util.c b/drivers/platform/chrome/cros_kunit_util.c
index 090927d..f0fda96 100644
--- a/drivers/platform/chrome/cros_kunit_util.c
+++ b/drivers/platform/chrome/cros_kunit_util.c
@@ -13,6 +13,7 @@
#include "cros_ec.h"
#include "cros_kunit_util.h"
+int cros_kunit_ec_xfer_mock_default_result;
int cros_kunit_ec_xfer_mock_default_ret;
int cros_kunit_ec_cmd_xfer_mock_called;
int cros_kunit_ec_pkt_xfer_mock_called;
@@ -25,8 +26,10 @@
struct ec_xfer_mock *mock;
mock = list_first_entry_or_null(&cros_kunit_ec_xfer_mock_in, struct ec_xfer_mock, list);
- if (!mock)
+ if (!mock) {
+ msg->result = cros_kunit_ec_xfer_mock_default_result;
return cros_kunit_ec_xfer_mock_default_ret;
+ }
list_del(&mock->list);
@@ -112,6 +115,7 @@
void cros_kunit_mock_reset(void)
{
+ cros_kunit_ec_xfer_mock_default_result = 0;
cros_kunit_ec_xfer_mock_default_ret = 0;
cros_kunit_ec_cmd_xfer_mock_called = 0;
cros_kunit_ec_pkt_xfer_mock_called = 0;
diff --git a/drivers/platform/chrome/cros_kunit_util.h b/drivers/platform/chrome/cros_kunit_util.h
index 88134c9..4140022 100644
--- a/drivers/platform/chrome/cros_kunit_util.h
+++ b/drivers/platform/chrome/cros_kunit_util.h
@@ -23,6 +23,7 @@
u32 o_data_len;
};
+extern int cros_kunit_ec_xfer_mock_default_result;
extern int cros_kunit_ec_xfer_mock_default_ret;
extern int cros_kunit_ec_cmd_xfer_mock_called;
extern int cros_kunit_ec_pkt_xfer_mock_called;
