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Bluetooth: Correctly acquire module ref 

We provide a device-object to other subsystems and we provide our own
release-function. Therefore, the device-object must own a reference to
our module, otherwise the release-function may get deleted before the
device-object does.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
David Herrmann 2012-01-07 15:47:21 +01:00 committed by Johan Hedberg
parent 587ae086f6
commit 46e06531a5
1 changed files with 2 additions and 0 deletions
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2
net/bluetooth/hci_sysfs.c
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@ -372,6 +372,7 @@ static void bt_host_release(struct device *dev)
{
void *data = dev_get_drvdata(dev);
kfree(data);
module_put(THIS_MODULE);
}
static struct device_type bt_host = {
@ -523,6 +524,7 @@ void hci_init_sysfs(struct hci_dev *hdev)
dev->type = &bt_host;
dev->class = bt_class;
__module_get(THIS_MODULE);
dev_set_drvdata(dev, hdev);
device_initialize(dev);
}