diff options
Diffstat (limited to 'drivers/acpi/ec.c')
| -rw-r--r-- | drivers/acpi/ec.c | 22 |
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 43f20328f830..d5d26464cac8 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -944,28 +944,20 @@ void acpi_ec_unblock_transactions_early(void) Event Management -------------------------------------------------------------------------- */ static struct acpi_ec_query_handler * -acpi_ec_get_query_handler(struct acpi_ec_query_handler *handler) -{ - if (handler) - kref_get(&handler->kref); - return handler; -} - -static struct acpi_ec_query_handler * acpi_ec_get_query_handler_by_value(struct acpi_ec *ec, u8 value) { struct acpi_ec_query_handler *handler; - bool found = false; mutex_lock(&ec->mutex); list_for_each_entry(handler, &ec->list, node) { if (value == handler->query_bit) { - found = true; - break; + kref_get(&handler->kref); + mutex_unlock(&ec->mutex); + return handler; } } mutex_unlock(&ec->mutex); - return found ? acpi_ec_get_query_handler(handler) : NULL; + return NULL; } static void acpi_ec_query_handler_release(struct kref *kref) @@ -1616,7 +1608,8 @@ error: return -ENODEV; } -static int param_set_event_clearing(const char *val, struct kernel_param *kp) +static int param_set_event_clearing(const char *val, + const struct kernel_param *kp) { int result = 0; @@ -1634,7 +1627,8 @@ static int param_set_event_clearing(const char *val, struct kernel_param *kp) return result; } -static int param_get_event_clearing(char *buffer, struct kernel_param *kp) +static int param_get_event_clearing(char *buffer, + const struct kernel_param *kp) { switch (ec_event_clearing) { case ACPI_EC_EVT_TIMING_STATUS: |