From afef1e1a0223623d063a6df51dbc342c9517b948 Mon Sep 17 00:00:00 2001 From: Tzung-Bi Shih Date: Wed, 20 Jul 2022 04:47:54 +0000 Subject: [PATCH] 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 Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/20220720044754.4026295-3-tzungbi@kernel.org --- drivers/platform/chrome/cros_kunit_util.c | 6 +++++- drivers/platform/chrome/cros_kunit_util.h | 1 + 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/platform/chrome/cros_kunit_util.c b/drivers/platform/chrome/cros_kunit_util.c index 090927d43035..f0fda96b11bd 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 @@ int cros_kunit_ec_xfer_mock(struct cros_ec_device *ec_dev, struct cros_ec_comman 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 @@ int cros_kunit_readmem_mock(struct cros_ec_device *ec_dev, unsigned int offset, 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 88134c9f1acf..414002271c9c 100644 --- a/drivers/platform/chrome/cros_kunit_util.h +++ b/drivers/platform/chrome/cros_kunit_util.h @@ -23,6 +23,7 @@ struct ec_xfer_mock { 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;