diff options
Diffstat (limited to 'drivers/acpi/scan.c')
| -rw-r--r-- | drivers/acpi/scan.c | 3 | 
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index ff9f6226085..8044583f303 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1357,6 +1357,9 @@ int acpi_bus_start(struct acpi_device *device)  {  	struct acpi_bus_ops ops; +	if (!device) +		return -EINVAL; +  	memset(&ops, 0, sizeof(ops));  	ops.acpi_op_start = 1;  |