diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/dbnames.c | 3 | ||||
| -rw-r--r-- | drivers/acpi/acpica/dswstate.c | 11 | ||||
| -rw-r--r-- | drivers/acpi/ec.c | 1 | ||||
| -rw-r--r-- | drivers/acpi/thermal.c | 2 |
4 files changed, 12 insertions, 5 deletions
diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c index 992bd7b92..49afba8c9 100644 --- a/drivers/acpi/acpica/dbnames.c +++ b/drivers/acpi/acpica/dbnames.c @@ -571,6 +571,9 @@ acpi_status acpi_db_display_objects(char *obj_type_arg, char *display_count_arg) object_info = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_object_info)); + if (!object_info) + return (AE_NO_MEMORY); + /* Walk the namespace from the root */ (void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c index c879380e5..ddafbf441 100644 --- a/drivers/acpi/acpica/dswstate.c +++ b/drivers/acpi/acpica/dswstate.c @@ -576,9 +576,14 @@ acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state, ACPI_FUNCTION_TRACE(ds_init_aml_walk); walk_state->parser_state.aml = - walk_state->parser_state.aml_start = aml_start; - walk_state->parser_state.aml_end = - walk_state->parser_state.pkg_end = aml_start + aml_length; + walk_state->parser_state.aml_start = + walk_state->parser_state.aml_end = + walk_state->parser_state.pkg_end = aml_start; + /* Avoid undefined behavior: applying zero offset to null pointer */ + if (aml_length != 0) { + walk_state->parser_state.aml_end += aml_length; + walk_state->parser_state.pkg_end += aml_length; + } /* The next_op of the next_walk will be the beginning of the method */ diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 3394ec64f..d2fde87e4 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -1153,6 +1153,7 @@ static void acpi_ec_remove_query_handlers(struct acpi_ec *ec, void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit) { acpi_ec_remove_query_handlers(ec, false, query_bit); + flush_workqueue(ec_query_wq); } EXPORT_SYMBOL_GPL(acpi_ec_remove_query_handler); diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 3bdab6eb3..cceb5ca35 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -1172,8 +1172,6 @@ static int acpi_thermal_resume(struct device *dev) return -EINVAL; for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++) { - if (!(&tz->trips.active[i])) - break; if (!tz->trips.active[i].flags.valid) break; tz->trips.active[i].flags.enabled = 1; |