diff options
| -rw-r--r-- | include/net/inet_hashtables.h | 2 | ||||
| -rw-r--r-- | net/ipv4/inet_connection_sock.c | 8 | ||||
| -rw-r--r-- | net/ipv4/inet_hashtables.c | 8 |
3 files changed, 13 insertions, 5 deletions
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h index a34a8f25fc57..55532b9bb59a 100644 --- a/include/net/inet_hashtables.h +++ b/include/net/inet_hashtables.h @@ -74,6 +74,7 @@ struct inet_ehash_bucket { * ports are created in O(1) time? I thought so. ;-) -DaveM */ struct inet_bind_bucket { + struct net *ib_net; unsigned short port; signed short fastreuse; struct hlist_node node; @@ -194,6 +195,7 @@ static inline void inet_ehash_locks_free(struct inet_hashinfo *hashinfo) extern struct inet_bind_bucket * inet_bind_bucket_create(struct kmem_cache *cachep, + struct net *net, struct inet_bind_hashbucket *head, const unsigned short snum); extern void inet_bind_bucket_destroy(struct kmem_cache *cachep, diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 7801cceb2d1b..de5a41de191a 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -87,6 +87,7 @@ int inet_csk_get_port(struct inet_hashinfo *hashinfo, struct hlist_node *node; struct inet_bind_bucket *tb; int ret; + struct net *net = sk->sk_net; local_bh_disable(); if (!snum) { @@ -100,7 +101,7 @@ int inet_csk_get_port(struct inet_hashinfo *hashinfo, head = &hashinfo->bhash[inet_bhashfn(rover, hashinfo->bhash_size)]; spin_lock(&head->lock); inet_bind_bucket_for_each(tb, node, &head->chain) - if (tb->port == rover) + if (tb->ib_net == net && tb->port == rover) goto next; break; next: @@ -127,7 +128,7 @@ int inet_csk_get_port(struct inet_hashinfo *hashinfo, head = &hashinfo->bhash[inet_bhashfn(snum, hashinfo->bhash_size)]; spin_lock(&head->lock); inet_bind_bucket_for_each(tb, node, &head->chain) - if (tb->port == snum) + if (tb->ib_net == net && tb->port == snum) goto tb_found; } tb = NULL; @@ -147,7 +148,8 @@ tb_found: } tb_not_found: ret = 1; - if (!tb && (tb = inet_bind_bucket_create(hashinfo->bind_bucket_cachep, head, snum)) == NULL) + if (!tb && (tb = inet_bind_bucket_create(hashinfo->bind_bucket_cachep, + net, head, snum)) == NULL) goto fail_unlock; if (hlist_empty(&tb->owners)) { if (sk->sk_reuse && sk->sk_state != TCP_LISTEN) diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index b93d40ff6ef4..db1e53a865c2 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -28,12 +28,14 @@ * The bindhash mutex for snum's hash chain must be held here. */ struct inet_bind_bucket *inet_bind_bucket_create(struct kmem_cache *cachep, + struct net *net, struct inet_bind_hashbucket *head, const unsigned short snum) { struct inet_bind_bucket *tb = kmem_cache_alloc(cachep, GFP_ATOMIC); if (tb != NULL) { + tb->ib_net = net; tb->port = snum; tb->fastreuse = 0; INIT_HLIST_HEAD(&tb->owners); @@ -359,6 +361,7 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row, struct inet_bind_hashbucket *head; struct inet_bind_bucket *tb; int ret; + struct net *net = sk->sk_net; if (!snum) { int i, remaining, low, high, port; @@ -381,7 +384,7 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row, * unique enough. */ inet_bind_bucket_for_each(tb, node, &head->chain) { - if (tb->port == port) { + if (tb->ib_net == net && tb->port == port) { BUG_TRAP(!hlist_empty(&tb->owners)); if (tb->fastreuse >= 0) goto next_port; @@ -392,7 +395,8 @@ int __inet_hash_connect(struct inet_timewait_death_row *death_row, } } - tb = inet_bind_bucket_create(hinfo->bind_bucket_cachep, head, port); + tb = inet_bind_bucket_create(hinfo->bind_bucket_cachep, + net, head, port); if (!tb) { spin_unlock(&head->lock); break; |