diff options
Diffstat (limited to 'drivers/acpi/utilities/utstate.c')
| -rw-r--r-- | drivers/acpi/utilities/utstate.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c index 637c5f964879a..aec5034cd9784 100644 --- a/drivers/acpi/utilities/utstate.c +++ b/drivers/acpi/utilities/utstate.c @@ -321,8 +321,8 @@ union acpi_generic_state *acpi_ut_create_control_state(void) * * RETURN: None * - * DESCRIPTION: Put a state object back into the global state cache. The object - * is not actually freed at this time. + * DESCRIPTION: Release a state object to the state cache. NULL state objects + * are ignored. * ******************************************************************************/ @@ -330,6 +330,10 @@ void acpi_ut_delete_generic_state(union acpi_generic_state *state) { ACPI_FUNCTION_TRACE("ut_delete_generic_state"); - (void)acpi_os_release_object(acpi_gbl_state_cache, state); + /* Ignore null state */ + + if (state) { + (void)acpi_os_release_object(acpi_gbl_state_cache, state); + } return_VOID; } |