diff options
Diffstat (limited to 'drivers/platform/x86/adv_swbutton.c')
| -rw-r--r-- | drivers/platform/x86/adv_swbutton.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/platform/x86/adv_swbutton.c b/drivers/platform/x86/adv_swbutton.c index 6fa60f3fc53c..8f7a26e6de81 100644 --- a/drivers/platform/x86/adv_swbutton.c +++ b/drivers/platform/x86/adv_swbutton.c @@ -48,10 +48,14 @@ static int adv_swbutton_probe(struct platform_device *device) { struct adv_swbutton *button; struct input_dev *input; - acpi_handle handle = ACPI_HANDLE(&device->dev); + acpi_handle handle; acpi_status status; int error; + handle = ACPI_HANDLE(&device->dev); + if (!handle) + return -ENODEV; + button = devm_kzalloc(&device->dev, sizeof(*button), GFP_KERNEL); if (!button) return -ENOMEM; |