connector: Provide the sender's credentials to the callback

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>

2 files changed, 6 insertions, 5 deletions

diff --git a/drivers/connector/cn_queue.c b/drivers/connector/cn_queue.c
index b4cfac93f723..163c3e3d0d11 100644
--- a/drivers/connector/cn_queue.c
+++ b/drivers/connector/cn_queue.c
@@ -79,8 +79,9 @@ void cn_queue_wrapper(struct work_struct *work)
                 container_of(work, struct cn_callback_entry, work);
         struct cn_callback_data *d = &cbq->data;
         struct cn_msg *msg = NLMSG_DATA(nlmsg_hdr(d->skb));
+        struct netlink_skb_parms *nsp = &NETLINK_CB(d->skb);
 
-        d->callback(msg);
+        d->callback(msg, nsp);
 
         d->destruct_data(d->ddata);
         d->ddata = NULL;
@@ -90,7 +91,7 @@ void cn_queue_wrapper(struct work_struct *work)
 
 static struct cn_callback_entry *
 cn_queue_alloc_callback_entry(char *name, struct cb_id *id,
-                              void (*callback)(struct cn_msg *))
+                              void (*callback)(struct cn_msg *, struct netlink_skb_parms *))
 {
         struct cn_callback_entry *cbq;
 
@@ -124,7 +125,7 @@ int cn_cb_equal(struct cb_id *i1, struct cb_id *i2)
 }
 
 int cn_queue_add_callback(struct cn_queue_dev *dev, char *name, struct cb_id *id,
-                          void (*callback)(struct cn_msg *))
+                          void (*callback)(struct cn_msg *, struct netlink_skb_parms *))
 {
         struct cn_callback_entry *cbq, *__cbq;
         int found = 0;
diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index fc9887fa453f..e59f0ab8f828 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -269,7 +269,7 @@ 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;
@@ -351,7 +351,7 @@ 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;