diff options
| author | Christoph Paasch <christoph.paasch@uclouvain.be> | 2014-01-08 16:05:58 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-01-10 17:38:18 -0500 |
| commit | bbf852b96ebdc6d1be7a67143824523280bbcf44 (patch) | |
| tree | 094f5b5d883ce7f1f50c8f65d0bfb2e8e8cd1bb3 /net/ipv4 | |
| parent | 8a59359cb80f448923a7bc9f555d477e74547d7a (diff) | |
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: Christoph Paasch <christoph.paasch@uclouvain.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/tcp_metrics.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c index 199659f7a871..e150f264c8e2 100644 --- a/net/ipv4/tcp_metrics.c +++ b/net/ipv4/tcp_metrics.c @@ -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; } |