diff options
-rw-r--r-- | drivers/acpi/scan.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 9606af13d3b8..dc14421b93f1 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -309,6 +309,10 @@ static void acpi_device_release(struct device *dev) struct acpi_device *acpi_dev = to_acpi_device(dev); kfree(acpi_dev->pnp.cid_list); + if (acpi_dev->flags.hardware_id) + kfree(acpi_dev->pnp.hardware_id); + if (acpi_dev->flags.unique_id) + kfree(acpi_dev->pnp.unique_id); kfree(acpi_dev); } @@ -1137,8 +1141,9 @@ static void acpi_device_set_id(struct acpi_device *device, strcpy(device->pnp.hardware_id, hid); device->flags.hardware_id = 1; } - } else - device->pnp.hardware_id = NULL; + } + if (!device->flags.hardware_id) + device->pnp.hardware_id = ""; if (uid) { device->pnp.unique_id = ACPI_ALLOCATE_ZEROED(strlen (uid) + 1); @@ -1146,8 +1151,9 @@ static void acpi_device_set_id(struct acpi_device *device, strcpy(device->pnp.unique_id, uid); device->flags.unique_id = 1; } - } else - device->pnp.unique_id = NULL; + } + if (!device->flags.unique_id) + device->pnp.unique_id = ""; if (cid_list || cid_add) { struct acpica_device_id_list *list; @@ -1362,10 +1368,8 @@ acpi_add_single_object(struct acpi_device **child, end: if (!result) *child = device; - else { - kfree(device->pnp.cid_list); - kfree(device); - } + else + acpi_device_release(&device->dev); return result; } |