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[NETLINK]: Correctly set NLM_F_MULTI without checking the pid

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This patch rectifies some rtnetlink message builders that derive the
flags from the pid. It is now explicit like the other cases
which get it right. Also fixes half a dozen dumpers which did not
set NLM_F_MULTI at all.

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jamal Hadi Salim
2005-06-18 22:54:12 -07:00
committed by David S. Miller
parent 1797754ea7
commit b6544c0b4c
14 changed files with 83 additions and 78 deletions
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11
net/decnet/dn_route.c
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@@ -1465,7 +1465,8 @@ int dn_route_input(struct sk_buff *skb)
return dn_route_input_slow(skb);
}
static int dn_rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq, int event, int nowait)
static int dn_rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
int event, int nowait, unsigned int flags)
{
struct dn_route *rt = (struct dn_route *)skb->dst;
struct rtmsg *r;
@@ -1473,9 +1474,8 @@ static int dn_rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq, int event, int
unsigned char *b = skb->tail;
struct rta_cacheinfo ci;
nlh = NLMSG_PUT(skb, pid, seq, event, sizeof(*r));
nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*r), flags);
r = NLMSG_DATA(nlh);
nlh->nlmsg_flags = (nowait && pid) ? NLM_F_MULTI : 0;
r->rtm_family = AF_DECnet;
r->rtm_dst_len = 16;
r->rtm_src_len = 0;
@@ -1596,7 +1596,7 @@ int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void *arg)
NETLINK_CB(skb).dst_pid = NETLINK_CB(in_skb).pid;
err = dn_rt_fill_info(skb, NETLINK_CB(in_skb).pid, nlh->nlmsg_seq, RTM_NEWROUTE, 0);
err = dn_rt_fill_info(skb, NETLINK_CB(in_skb).pid, nlh->nlmsg_seq, RTM_NEWROUTE, 0, 0);
if (err == 0)
goto out_free;
@@ -1644,7 +1644,8 @@ int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb)
continue;
skb->dst = dst_clone(&rt->u.dst);
if (dn_rt_fill_info(skb, NETLINK_CB(cb->skb).pid,
cb->nlh->nlmsg_seq, RTM_NEWROUTE, 1) <= 0) {
cb->nlh->nlmsg_seq, RTM_NEWROUTE,
1, NLM_F_MULTI) <= 0) {
dst_release(xchg(&skb->dst, NULL));
rcu_read_unlock_bh();
goto done;