Re: [PATCH] platform/chrome: cros_ec: Initialize panic notifier block

From: Guenter Roeck
Date: Thu Jan 12 2023 - 13:04:04 EST


On Wed, Jan 11, 2023 at 8:39 PM Chen-Yu Tsai <wenst@xxxxxxxxxxxx> wrote:
>
> Commit d90fa2c64d59 ("platform/chrome: cros_ec: Poll EC log on EC panic")
> added a new notifier block, but failed to initialize it properly,
> resulting in a warning and stack trace (omitted):
>
> INFO: trying to register non-static key.
> The code is fine but needs lockdep annotation, or maybe
> you didn't initialize this object before use?
> turning off the locking correctness validator.
>
> Initialize the notifier block properly.
>
> Fixes: d90fa2c64d59 ("platform/chrome: cros_ec: Poll EC log on EC panic")
> Signed-off-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>

Reviewed-by: Guenter Roekc <groeck@xxxxxxxxxxxx>

Didn't I already see this ?

Guenter

> ---
> drivers/platform/chrome/cros_ec.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/platform/chrome/cros_ec.c b/drivers/platform/chrome/cros_ec.c
> index 4ae57820afd5..b895c8130bba 100644
> --- a/drivers/platform/chrome/cros_ec.c
> +++ b/drivers/platform/chrome/cros_ec.c
> @@ -182,6 +182,7 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
> int err = 0;
>
> BLOCKING_INIT_NOTIFIER_HEAD(&ec_dev->event_notifier);
> + BLOCKING_INIT_NOTIFIER_HEAD(&ec_dev->panic_notifier);
>
> ec_dev->max_request = sizeof(struct ec_params_hello);
> ec_dev->max_response = sizeof(struct ec_response_get_protocol_info);
> --
> 2.39.0.314.g84b9a713c41-goog
>