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[CONNECTOR]: Initialize subsystem earlier.

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Attached patch declares connector init function as subsys_init()
and returns -EAGAIN in case connector is not initialized yet.

Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Evgeniy Polyakov 2006-06-19 23:42:53 -07:00 committed by David S. Miller
parent d3dcd4efe2
commit d6cc7f1a3b
1 changed files with 9 additions and 5 deletions
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14
drivers/connector/connector.c
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@ -308,6 +308,9 @@ int cn_add_callback(struct cb_id *id, char *name, void (*callback)(void *))
int err;
struct cn_dev *dev = &cdev;
if (!cn_already_initialized)
return -EAGAIN;
err = cn_queue_add_callback(dev->cbdev, name, id, callback);
if (err)
return err;
@ -435,7 +438,7 @@ static void cn_callback(void *data)
mutex_unlock(&notify_lock);
}
static int __init cn_init(void)
static int __devinit cn_init(void)
{
struct cn_dev *dev = &cdev;
int err;
@ -457,20 +460,21 @@ static int __init cn_init(void)
return -EINVAL;
}
cn_already_initialized = 1;
err = cn_add_callback(&dev->id, "connector", &cn_callback);
if (err) {
cn_already_initialized = 0;
cn_queue_free_dev(dev->cbdev);
if (dev->nls->sk_socket)
sock_release(dev->nls->sk_socket);
return -EINVAL;
}
cn_already_initialized = 1;
return 0;
}
static void __exit cn_fini(void)
static void __devexit cn_fini(void)
{
struct cn_dev *dev = &cdev;
@ -482,7 +486,7 @@ static void __exit cn_fini(void)
sock_release(dev->nls->sk_socket);
}
module_init(cn_init);
subsys_initcall(cn_init);
module_exit(cn_fini);
EXPORT_SYMBOL_GPL(cn_add_callback);