connector: Removed the destruct_data callback since it is always kfree_skb()

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Acked-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 5 insertions, 13 deletions

diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c
index 163c3e3d0d11..210338ea222f 100644
--- a/drivers/connector/cn_queue.c
+++ b/drivers/connector/cn_queue.c
@@ -83,8 +83,8 @@ void cn_queue_wrapper(struct work_struct *work)
 
         d->callback(msg, nsp);
 
-        d->destruct_data(d->ddata);
-        d->ddata = NULL;
+        kfree_skb(d->skb);
+        d->skb = NULL;
 
         kfree(d->free);
 }
diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index e59f0ab8f828..f06024668f99 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -129,7 +129,7 @@ EXPORT_SYMBOL_GPL(cn_netlink_send);
 /*
  * Callback helper - queues work and setup destructor for given data.
  */
-static int cn_call_callback(struct sk_buff *skb, void (*destruct_data)(void *), void *data)
+static int cn_call_callback(struct sk_buff *skb)
 {
         struct cn_callback_entry *__cbq, *__new_cbq;
         struct cn_dev *dev = &cdev;
@@ -140,12 +140,9 @@ static int cn_call_callback(struct sk_buff *skb, void (*destruct_data)(void *),
         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.ddata == NULL)) {
+                                        __cbq->data.skb == NULL)) {
                                 __cbq->data.skb = skb;
 
-                                __cbq->data.ddata = data;
-                                __cbq->data.destruct_data = destruct_data;
-
                                 if (queue_cn_work(__cbq, &__cbq->work))
                                         err = 0;
                                 else
@@ -159,8 +156,6 @@ static int cn_call_callback(struct sk_buff *skb, void (*destruct_data)(void *),
                                         d = &__new_cbq->data;
                                         d->skb = skb;
                                         d->callback = __cbq->data.callback;
-                                        d->ddata = data;
-                                        d->destruct_data = destruct_data;
                                         d->free = __new_cbq;
 
                                         __new_cbq->pdev = __cbq->pdev;
@@ -208,7 +203,7 @@ static void cn_rx_skb(struct sk_buff *__skb)
                         return;
                 }
 
-                err = cn_call_callback(skb, (void (*)(void *))kfree_skb, skb);
+                err = cn_call_callback(skb);
                 if (err < 0)
                         kfree_skb(skb);
         }
diff --git a/include/linux/connector.h b/include/linux/connector.h
index 545728e20b63..3a14615fd35c 100644
--- a/include/linux/connector.h
+++ b/include/linux/connector.h
@@ -132,9 +132,6 @@ struct cn_callback_id {
 };
 
 struct cn_callback_data {
-        void (*destruct_data) (void *);
-        void *ddata;
-
         struct sk_buff *skb;
         void (*callback) (struct cn_msg *, struct netlink_skb_parms *);