diff options
Diffstat (limited to 'source/components/events/evevent.c')
| -rw-r--r-- | source/components/events/evevent.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/source/components/events/evevent.c b/source/components/events/evevent.c index ae505dd..fd0b5fb 100644 --- a/source/components/events/evevent.c +++ b/source/components/events/evevent.c @@ -291,6 +291,8 @@ AcpiEvFixedEventDetect ( * * DESCRIPTION: Clears the status bit for the requested event, calls the * handler that previously registered for the event. + * NOTE: If there is no handler for the event, the event is + * disabled to prevent futher interrupts. * ******************************************************************************/ @@ -309,18 +311,18 @@ AcpiEvFixedEventDispatch ( ACPI_CLEAR_STATUS); /* - * Make sure we've got a handler. If not, report an error. The event is - * disabled to prevent further interrupts. + * Make sure that a handler exists. If not, report an error + * and disable the event to prevent further interrupts. */ - if (NULL == AcpiGbl_FixedEventHandlers[Event].Handler) + if (!AcpiGbl_FixedEventHandlers[Event].Handler) { (void) AcpiWriteBitRegister ( AcpiGbl_FixedEventInfo[Event].EnableRegisterId, ACPI_DISABLE_EVENT); ACPI_ERROR ((AE_INFO, - "No installed handler for fixed event [0x%08X]", - Event)); + "No installed handler for fixed event - %s (%u), disabling", + AcpiUtGetEventName (Event), Event)); return (ACPI_INTERRUPT_NOT_HANDLED); } |
