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path: root/drivers/acpi/scan.c
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Diffstat (limited to 'drivers/acpi/scan.c')
-rw-r--r--drivers/acpi/scan.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 9606af13d3b..dc14421b93f 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;
}