diff options
-rw-r--r-- | drivers/acpi/bus.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 5b6760e0f957..2d1955c11833 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c | |||
@@ -373,10 +373,11 @@ int acpi_bus_receive_event(struct acpi_bus_event *event) | |||
373 | } | 373 | } |
374 | 374 | ||
375 | spin_lock_irqsave(&acpi_bus_event_lock, flags); | 375 | spin_lock_irqsave(&acpi_bus_event_lock, flags); |
376 | entry = | 376 | if (!list_empty(&acpi_bus_event_list)) { |
377 | list_entry(acpi_bus_event_list.next, struct acpi_bus_event, node); | 377 | entry = list_entry(acpi_bus_event_list.next, |
378 | if (entry) | 378 | struct acpi_bus_event, node); |
379 | list_del(&entry->node); | 379 | list_del(&entry->node); |
380 | } | ||
380 | spin_unlock_irqrestore(&acpi_bus_event_lock, flags); | 381 | spin_unlock_irqrestore(&acpi_bus_event_lock, flags); |
381 | 382 | ||
382 | if (!entry) | 383 | if (!entry) |