diff mbox series

[2/2] platform/chrome: cros_kunit_util: add default value for `msg->result`

Message ID 20220720044754.4026295-3-tzungbi@kernel.org (mailing list archive)
State Accepted
Commit afef1e1a0223623d063a6df51dbc342c9517b948
Headers show
Series platform/chrome: avoid garbage bytes in `msg->result` | expand

Commit Message

Tzung-Bi Shih July 20, 2022, 4:47 a.m. UTC
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>
---
 drivers/platform/chrome/cros_kunit_util.c | 6 +++++-
 drivers/platform/chrome/cros_kunit_util.h | 1 +
 2 files changed, 6 insertions(+), 1 deletion(-)

Comments

Guenter Roeck July 20, 2022, 1:02 p.m. UTC | #1
On Tue, Jul 19, 2022 at 9:48 PM Tzung-Bi Shih <tzungbi@kernel.org> wrote:
>
> 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>

> ---
>  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;
> --
> 2.37.0.170.g444d1eabd0-goog
>
diff mbox series

Patch

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;