Merge branch 'master' into for-next

Fast-forwarded to current state of Linus' tree as there are patches to be
applied for files that didn't exist on the old branch.

1 files changed, 13 insertions, 35 deletions

diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index f7554de3be5e..219d88a0eeae 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -122,51 +122,29 @@ EXPORT_SYMBOL_GPL(cn_netlink_send);
  */
 static int cn_call_callback(struct sk_buff *skb)
 {
-	struct cn_callback_entry *__cbq, *__new_cbq;
+	struct cn_callback_entry *i, *cbq = NULL;
 	struct cn_dev *dev = &cdev;
 	struct cn_msg *msg = NLMSG_DATA(nlmsg_hdr(skb));
+	struct netlink_skb_parms *nsp = &NETLINK_CB(skb);
 	int err = -ENODEV;
 
 	spin_lock_bh(&dev->cbdev->queue_lock);
-	list_for_each_entry(__cbq, &dev->cbdev->queue_list, callback_entry) {
-		if (cn_cb_equal(&__cbq->id.id, &msg->id)) {
-			if (likely(!work_pending(&__cbq->work) &&
-					__cbq->data.skb == NULL)) {
-				__cbq->data.skb = skb;
-
-				if (queue_work(dev->cbdev->cn_queue,
-					       &__cbq->work))
-					err = 0;
-				else
-					err = -EINVAL;
-			} else {
-				struct cn_callback_data *d;
-
-				err = -ENOMEM;
-				__new_cbq = kzalloc(sizeof(struct cn_callback_entry), GFP_ATOMIC);
-				if (__new_cbq) {
-					d = &__new_cbq->data;
-					d->skb = skb;
-					d->callback = __cbq->data.callback;
-					d->free = __new_cbq;
-
-					INIT_WORK(&__new_cbq->work,
-							&cn_queue_wrapper);
-
-					if (queue_work(dev->cbdev->cn_queue,
-						       &__new_cbq->work))
-						err = 0;
-					else {
-						kfree(__new_cbq);
-						err = -EINVAL;
-					}
-				}
-			}
+	list_for_each_entry(i, &dev->cbdev->queue_list, callback_entry) {
+		if (cn_cb_equal(&i->id.id, &msg->id)) {
+			atomic_inc(&i->refcnt);
+			cbq = i;
 			break;
 		}
 	}
 	spin_unlock_bh(&dev->cbdev->queue_lock);
 
+	if (cbq != NULL) {
+		cbq->callback(msg, nsp);
+		kfree_skb(skb);
+		cn_queue_release_callback(cbq);
+		err = 0;
+	}
+
 	return err;
 }