diff options
Diffstat (limited to 'drivers/acpi/bus.c')
| -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 5b6760e..2d1955c 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) } spin_lock_irqsave(&acpi_bus_event_lock, flags); - entry = - list_entry(acpi_bus_event_list.next, struct acpi_bus_event, node); - if (entry) + if (!list_empty(&acpi_bus_event_list)) { + entry = list_entry(acpi_bus_event_list.next, + struct acpi_bus_event, node); list_del(&entry->node); + } spin_unlock_irqrestore(&acpi_bus_event_lock, flags); if (!entry) |