diff options
Diffstat (limited to 'drivers/acpi/button.c')
-rw-r--r-- | drivers/acpi/button.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 9335b87c5174..0c9c6a9a002c 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c | |||
@@ -251,6 +251,9 @@ int acpi_lid_open(void) | |||
251 | acpi_status status; | 251 | acpi_status status; |
252 | unsigned long long state; | 252 | unsigned long long state; |
253 | 253 | ||
254 | if (!lid_device) | ||
255 | return -ENODEV; | ||
256 | |||
254 | status = acpi_evaluate_integer(lid_device->handle, "_LID", NULL, | 257 | status = acpi_evaluate_integer(lid_device->handle, "_LID", NULL, |
255 | &state); | 258 | &state); |
256 | if (ACPI_FAILURE(status)) | 259 | if (ACPI_FAILURE(status)) |