Commit 2c907b72 authored Oct 07, 2009 by Jesse Barnes Committed by Len Brown Oct 13, 2009

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: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Len 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))