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authorIngo Molnar <mingo@elte.hu>2008-09-10 14:00:45 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-10 14:00:45 +0200
commit59c37bf8924c30fbac7ebb66a1d92dcb9f05f6b1 (patch)
tree2ffc3f2ce655806424d022f3a4daec7665ab888f /net/ipv4
parentec70cae8698632917f06110fdb70c6364281ecc6 (diff)
parentadee14b2e1557d0a8559f29681732d05a89dfc35 (diff)
Merge commit 'v2.6.27-rc6' into x86/unify-cpu-detect
Conflicts: arch/x86/kernel/cpu/amd.c arch/x86/kernel/cpu/common.c arch/x86/kernel/cpu/common_64.c arch/x86/kernel/cpu/feature_names.c include/asm-x86/cpufeature.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/inet_timewait_sock.c35
-rw-r--r--net/ipv4/tcp_ipv4.c1
2 files changed, 36 insertions, 0 deletions
diff --git a/net/ipv4/inet_timewait_sock.c b/net/ipv4/inet_timewait_sock.c
index d985bd613d25..743f011b9a84 100644
--- a/net/ipv4/inet_timewait_sock.c
+++ b/net/ipv4/inet_timewait_sock.c
@@ -409,3 +409,38 @@ out:
}
EXPORT_SYMBOL_GPL(inet_twdr_twcal_tick);
+
+void inet_twsk_purge(struct net *net, struct inet_hashinfo *hashinfo,
+ struct inet_timewait_death_row *twdr, int family)
+{
+ struct inet_timewait_sock *tw;
+ struct sock *sk;
+ struct hlist_node *node;
+ int h;
+
+ local_bh_disable();
+ for (h = 0; h < (hashinfo->ehash_size); h++) {
+ struct inet_ehash_bucket *head =
+ inet_ehash_bucket(hashinfo, h);
+ rwlock_t *lock = inet_ehash_lockp(hashinfo, h);
+restart:
+ write_lock(lock);
+ sk_for_each(sk, node, &head->twchain) {
+
+ tw = inet_twsk(sk);
+ if (!net_eq(twsk_net(tw), net) ||
+ tw->tw_family != family)
+ continue;
+
+ atomic_inc(&tw->tw_refcnt);
+ write_unlock(lock);
+ inet_twsk_deschedule(tw, twdr);
+ inet_twsk_put(tw);
+
+ goto restart;
+ }
+ write_unlock(lock);
+ }
+ local_bh_enable();
+}
+EXPORT_SYMBOL_GPL(inet_twsk_purge);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 44c1e934824b..1b4fee20fc93 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2376,6 +2376,7 @@ static int __net_init tcp_sk_init(struct net *net)
static void __net_exit tcp_sk_exit(struct net *net)
{
inet_ctl_sock_destroy(net->ipv4.tcp_sock);
+ inet_twsk_purge(net, &tcp_hashinfo, &tcp_death_row, AF_INET);
}
static struct pernet_operations __net_initdata tcp_sk_ops = {