drbd: Converted wake_asender() and request_ping() from mdev to tconn

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index b4c357e..a5234f9 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1864,7 +1864,7 @@
 				 * but I don't like the receiver using the msock */
 
 				put_ldev(mdev);
-				wake_asender(mdev);
+				wake_asender(mdev->tconn);
 				finish_wait(&mdev->misc_wait, &wait);
 				return true;
 			}