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[NETLINK]: Make netlink_callback->done() optional

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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>
This commit is contained in:
Thomas Graf 2005-11-10 02:25:52 +01:00 • committed by Thomas Graf
parent bfa83a9e03
commit a8f74b2288
5 changed files with 8 additions and 25 deletions
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8
net/xfrm/xfrm_user.c
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@ -948,11 +948,6 @@ static struct xfrm_link {
[XFRM_MSG_FLUSHPOLICY - XFRM_MSG_BASE] = { .doit = xfrm_flush_policy },
};
static int xfrm_done(struct netlink_callback *cb)
{
return 0;
}
static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, int *errp)
{
struct rtattr *xfrma[XFRMA_MAX];
@ -990,8 +985,7 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, int *err
goto err_einval;
if ((*errp = netlink_dump_start(xfrm_nl, skb, nlh,
link->dump,
xfrm_done)) != 0) {
link->dump, NULL)) != 0) {
return -1;
}
rlen = NLMSG_ALIGN(nlh->nlmsg_len);