diff options
| -rw-r--r-- | drivers/acpi/glue.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 782071fd3df3..a22a295edb69 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -217,6 +217,7 @@ int acpi_bind_one(struct device *dev, acpi_handle handle) if (!acpi_dev) return -EINVAL; + get_device(&acpi_dev->dev); get_device(dev); physical_node = kzalloc(sizeof(*physical_node), GFP_KERNEL); if (!physical_node) { @@ -243,6 +244,7 @@ int acpi_bind_one(struct device *dev, acpi_handle handle) goto err; put_device(dev); + put_device(&acpi_dev->dev); return 0; } if (pn->node_id == node_id) { @@ -282,6 +284,7 @@ int acpi_bind_one(struct device *dev, acpi_handle handle) err: ACPI_COMPANION_SET(dev, NULL); put_device(dev); + put_device(&acpi_dev->dev); return retval; } EXPORT_SYMBOL_GPL(acpi_bind_one); @@ -307,8 +310,9 @@ int acpi_unbind_one(struct device *dev) sysfs_remove_link(&acpi_dev->dev.kobj, physnode_name); sysfs_remove_link(&dev->kobj, "firmware_node"); ACPI_COMPANION_SET(dev, NULL); - /* acpi_bind_one() increase refcnt by one. */ + /* Drop references taken by acpi_bind_one(). */ put_device(dev); + put_device(&acpi_dev->dev); kfree(entry); break; } |