提交 bbf852b9 编写于 作者: C Christoph Paasch 提交者: David S. Miller

tcp: metrics: Delete all entries matching a certain destination

As we now can have multiple entries per destination-IP, the "ip
tcp_metrics delete address ADDRESS" command deletes all of them.
Signed-off-by: NChristoph Paasch <christoph.paasch@uclouvain.be>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 8a59359c
......@@ -982,7 +982,7 @@ static int tcp_metrics_flush_all(struct net *net)
static int tcp_metrics_nl_cmd_del(struct sk_buff *skb, struct genl_info *info)
{
struct tcpm_hash_bucket *hb;
struct tcp_metrics_block *tm;
struct tcp_metrics_block *tm, *tmlist = NULL;
struct tcp_metrics_block __rcu **pp;
struct inetpeer_addr daddr;
unsigned int hash;
......@@ -999,17 +999,22 @@ static int tcp_metrics_nl_cmd_del(struct sk_buff *skb, struct genl_info *info)
hb = net->ipv4.tcp_metrics_hash + hash;
pp = &hb->chain;
spin_lock_bh(&tcp_metrics_lock);
for (tm = deref_locked_genl(*pp); tm;
pp = &tm->tcpm_next, tm = deref_locked_genl(*pp)) {
for (tm = deref_locked_genl(*pp); tm; tm = deref_locked_genl(*pp)) {
if (addr_same(&tm->tcpm_daddr, &daddr)) {
*pp = tm->tcpm_next;
break;
tm->tcpm_next = tmlist;
tmlist = tm;
} else {
pp = &tm->tcpm_next;
}
}
spin_unlock_bh(&tcp_metrics_lock);
if (!tm)
if (!tmlist)
return -ESRCH;
kfree_rcu(tm, rcu_head);
for (tm = tmlist; tm; tm = tmlist) {
tmlist = tm->tcpm_next;
kfree_rcu(tm, rcu_head);
}
return 0;
}
......
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