Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

[linux-2.6.git] / drivers / connector / connector.c

diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index 3589707..b49bacf 100644 (file)
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -121,6 +121,7 @@ nlmsg_failure:
        kfree_skb(skb);
        return -EINVAL;
 }
+EXPORT_SYMBOL_GPL(cn_netlink_send);
 
 /*
  * Callback helper - queues work and setup destructor for given data.
@@ -308,6 +309,9 @@ 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;
@@ -316,6 +320,7 @@ int cn_add_callback(struct cb_id *id, char *name, void (*callback)(void *))
 
        return 0;
 }
+EXPORT_SYMBOL_GPL(cn_add_callback);
 
 /*
  * Callback remove routing - removes callback
@@ -332,6 +337,7 @@ void cn_del_callback(struct cb_id *id)
        cn_queue_del_callback(dev->cbdev, id);
        cn_notify(id, 1);
 }
+EXPORT_SYMBOL_GPL(cn_del_callback);
 
 /*
  * Checks two connector's control messages to be the same.
@@ -435,7 +441,7 @@ 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;
@@ -456,21 +462,22 @@ static int __init cn_init(void)
                        sock_release(dev->nls->sk_socket);
                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;
 
@@ -482,9 +489,5 @@ 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);
-EXPORT_SYMBOL_GPL(cn_del_callback);
-EXPORT_SYMBOL_GPL(cn_netlink_send);