diff options
| -rw-r--r-- | drivers/platform/surface/surface_acpi_notify.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/platform/surface/surface_acpi_notify.c b/drivers/platform/surface/surface_acpi_notify.c index a9dcb0bbe90e..593a7aba6243 100644 --- a/drivers/platform/surface/surface_acpi_notify.c +++ b/drivers/platform/surface/surface_acpi_notify.c @@ -777,12 +777,16 @@ static int san_consumer_links_setup(struct platform_device *pdev) static int san_probe(struct platform_device *pdev) { - struct acpi_device *san = ACPI_COMPANION(&pdev->dev); struct ssam_controller *ctrl; + struct acpi_device *san; struct san_data *data; acpi_status astatus; int status; + san = ACPI_COMPANION(&pdev->dev); + if (!san) + return -ENODEV; + ctrl = ssam_client_bind(&pdev->dev); if (IS_ERR(ctrl)) return PTR_ERR(ctrl) == -ENODEV ? -EPROBE_DEFER : PTR_ERR(ctrl); |