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path: root/drivers/connector/connector.c
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Diffstat (limited to 'drivers/connector/connector.c')
-rw-r--r--drivers/connector/connector.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index 74f52af79563..f06024668f99 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -129,21 +129,19 @@ EXPORT_SYMBOL_GPL(cn_netlink_send);
/*
* Callback helper - queues work and setup destructor for given data.
*/
-static int cn_call_callback(struct cn_msg *msg, 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;
+ struct cn_msg *msg = NLMSG_DATA(nlmsg_hdr(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.ddata == NULL)) {
- __cbq->data.callback_priv = msg;
-
- __cbq->data.ddata = data;
- __cbq->data.destruct_data = destruct_data;
+ __cbq->data.skb == NULL)) {
+ __cbq->data.skb = skb;
if (queue_cn_work(__cbq, &__cbq->work))
err = 0;
@@ -156,10 +154,8 @@ static int cn_call_callback(struct cn_msg *msg, void (*destruct_data)(void *), v
__new_cbq = kzalloc(sizeof(struct cn_callback_entry), GFP_ATOMIC);
if (__new_cbq) {
d = &__new_cbq->data;
- d->callback_priv = msg;
+ 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;
@@ -191,7 +187,6 @@ static int cn_call_callback(struct cn_msg *msg, void (*destruct_data)(void *), v
*/
static void cn_rx_skb(struct sk_buff *__skb)
{
- struct cn_msg *msg;
struct nlmsghdr *nlh;
int err;
struct sk_buff *skb;
@@ -208,8 +203,7 @@ static void cn_rx_skb(struct sk_buff *__skb)
return;
}
- msg = NLMSG_DATA(nlh);
- err = cn_call_callback(msg, (void (*)(void *))kfree_skb, skb);
+ err = cn_call_callback(skb);
if (err < 0)
kfree_skb(skb);
}
@@ -270,7 +264,7 @@ static void cn_notify(struct cb_id *id, u32 notify_event)
* May sleep.
*/
int cn_add_callback(struct cb_id *id, char *name,
- void (*callback)(struct cn_msg *))
+ void (*callback)(struct cn_msg *, struct netlink_skb_parms *))
{
int err;
struct cn_dev *dev = &cdev;
@@ -352,7 +346,7 @@ static int cn_ctl_msg_equals(struct cn_ctl_msg *m1, struct cn_ctl_msg *m2)
*
* Used for notification of a request's processing.
*/
-static void cn_callback(struct cn_msg *msg)
+static void cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
{
struct cn_ctl_msg *ctl;
struct cn_ctl_entry *ent;