diff options
Diffstat (limited to 'drivers/acpi/ac.c')
| -rw-r--r-- | drivers/acpi/ac.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 1f69be8f51a2..8738c42a3ae4 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -203,11 +203,15 @@ static const struct dmi_system_id ac_dmi_table[] __initconst = { static int acpi_ac_probe(struct platform_device *pdev) { - struct acpi_device *adev = ACPI_COMPANION(&pdev->dev); struct power_supply_config psy_cfg = {}; + struct acpi_device *adev; struct acpi_ac *ac; int result; + adev = ACPI_COMPANION(&pdev->dev); + if (!adev) + return -ENODEV; + ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL); if (!ac) return -ENOMEM; |