diff options
| -rw-r--r-- | drivers/acpi/dock.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 4fdea381ef2..ec117c6c996 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -868,8 +868,10 @@ static ssize_t write_undock(struct device *dev, struct device_attribute *attr, if (!count) return -EINVAL; + acpi_scan_lock_acquire(); begin_undock(dock_station); ret = handle_eject_request(dock_station, ACPI_NOTIFY_EJECT_REQUEST); + acpi_scan_lock_release(); return ret ? ret: count; } static DEVICE_ATTR(undock, S_IWUSR, NULL, write_undock); |