Commit 2c907b72 authored by Jesse Barnes's avatar Jesse Barnes Committed by Len Brown
Browse files

ACPI button: don't try to use a non-existent lid device 



If a call comes in to check the lid state but there's no lid device
present, we should return -ENODEV.

Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 29062063

drivers/acpi/button.c

+3 −0
Original line number Diff line number Diff line
@@ -251,6 +251,9 @@ int acpi_lid_open(void) 
	acpi_status status;

	unsigned long long state;



	if (!lid_device)

		return -ENODEV;



	status = acpi_evaluate_integer(lid_device->handle, "_LID", NULL,

				       &state);

	if (ACPI_FAILURE(status))