[NETLINK]: Make netlink_callback->done() optional
Most netlink families make no use of the done() callback, making
it optional gets rid of all unnecessary dummy implementations.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 71f3c73..39061ed 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -724,12 +724,6 @@
return skb->len;
}
-static int inet_diag_dump_done(struct netlink_callback *cb)
-{
- return 0;
-}
-
-
static __inline__ int
inet_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
@@ -760,8 +754,7 @@
goto err_inval;
}
return netlink_dump_start(idiagnl, skb, nlh,
- inet_diag_dump,
- inet_diag_dump_done);
+ inet_diag_dump, NULL);
} else {
return inet_diag_get_exact(skb, nlh);
}