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path: root/drivers/acpi/bay.c
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Diffstat (limited to 'drivers/acpi/bay.c')
-rw-r--r--drivers/acpi/bay.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/acpi/bay.c b/drivers/acpi/bay.c
index d2fc9416184..61b6c5beb2d 100644
--- a/drivers/acpi/bay.c
+++ b/drivers/acpi/bay.c
@@ -301,16 +301,20 @@ static int bay_add(acpi_handle handle, int id)
*/
pdev->dev.uevent_suppress = 0;
- if (acpi_bay_add_fs(new_bay)) {
- platform_device_unregister(new_bay->pdev);
- goto bay_add_err;
- }
-
/* register for events on this device */
status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
bay_notify, new_bay);
if (ACPI_FAILURE(status)) {
- printk(KERN_ERR PREFIX "Error installing bay notify handler\n");
+ printk(KERN_INFO PREFIX "Error installing bay notify handler\n");
+ platform_device_unregister(new_bay->pdev);
+ goto bay_add_err;
+ }
+
+ if (acpi_bay_add_fs(new_bay)) {
+ acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
+ bay_notify);
+ platform_device_unregister(new_bay->pdev);
+ goto bay_add_err;
}
/* if we are on a dock station, we should register for dock
@@ -373,6 +377,9 @@ static int __init bay_init(void)
INIT_LIST_HEAD(&drive_bays);
+ if (acpi_disabled)
+ return -ENODEV;
+
/* look for dockable drive bays */
acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
ACPI_UINT32_MAX, find_bay, &bays, NULL);