diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/ieee802154/socket.c | 17 | ||||
-rw-r--r-- | net/ipv4/af_inet.c | 9 | ||||
-rw-r--r-- | net/ipv4/inet_connection_sock.c | 8 | ||||
-rw-r--r-- | net/ipv4/inet_hashtables.c | 4 | ||||
-rw-r--r-- | net/ipv4/ping.c | 4 | ||||
-rw-r--r-- | net/ipv4/raw.c | 4 | ||||
-rw-r--r-- | net/ipv6/af_inet6.c | 6 | ||||
-rw-r--r-- | net/phonet/socket.c | 6 | ||||
-rw-r--r-- | net/sctp/socket.c | 3 |
9 files changed, 44 insertions, 17 deletions
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c index a548be247e15..e0bd013a1e5e 100644 --- a/net/ieee802154/socket.c +++ b/net/ieee802154/socket.c @@ -182,12 +182,14 @@ static int ieee802154_sock_ioctl(struct socket *sock, unsigned int cmd, static HLIST_HEAD(raw_head); static DEFINE_RWLOCK(raw_lock); -static void raw_hash(struct sock *sk) +static int raw_hash(struct sock *sk) { write_lock_bh(&raw_lock); sk_add_node(sk, &raw_head); sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); write_unlock_bh(&raw_lock); + + return 0; } static void raw_unhash(struct sock *sk) @@ -462,12 +464,14 @@ static inline struct dgram_sock *dgram_sk(const struct sock *sk) return container_of(sk, struct dgram_sock, sk); } -static void dgram_hash(struct sock *sk) +static int dgram_hash(struct sock *sk) { write_lock_bh(&dgram_lock); sk_add_node(sk, &dgram_head); sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); write_unlock_bh(&dgram_lock); + + return 0; } static void dgram_unhash(struct sock *sk) @@ -1026,8 +1030,13 @@ static int ieee802154_create(struct net *net, struct socket *sock, /* Checksums on by default */ sock_set_flag(sk, SOCK_ZAPPED); - if (sk->sk_prot->hash) - sk->sk_prot->hash(sk); + if (sk->sk_prot->hash) { + rc = sk->sk_prot->hash(sk); + if (rc) { + sk_common_release(sk); + goto out; + } + } if (sk->sk_prot->init) { rc = sk->sk_prot->init(sk); diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 5c5db6636704..eade66db214e 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -370,7 +370,11 @@ lookup_protocol: */ inet->inet_sport = htons(inet->inet_num); /* Add to protocol hash chains. */ - sk->sk_prot->hash(sk); + err = sk->sk_prot->hash(sk); + if (err) { + sk_common_release(sk); + goto out; + } } if (sk->sk_prot->init) { @@ -1142,8 +1146,7 @@ static int inet_sk_reselect_saddr(struct sock *sk) * Besides that, it does not check for connection * uniqueness. Wait for troubles. */ - __sk_prot_rehash(sk); - return 0; + return __sk_prot_rehash(sk); } int inet_sk_rebuild_header(struct sock *sk) diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 9b17c1792dce..12c8d389dc18 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -734,6 +734,7 @@ int inet_csk_listen_start(struct sock *sk, int backlog) { struct inet_connection_sock *icsk = inet_csk(sk); struct inet_sock *inet = inet_sk(sk); + int err = -EADDRINUSE; reqsk_queue_alloc(&icsk->icsk_accept_queue); @@ -751,13 +752,14 @@ int inet_csk_listen_start(struct sock *sk, int backlog) inet->inet_sport = htons(inet->inet_num); sk_dst_reset(sk); - sk->sk_prot->hash(sk); + err = sk->sk_prot->hash(sk); - return 0; + if (likely(!err)) + return 0; } sk->sk_state = TCP_CLOSE; - return -EADDRINUSE; + return err; } EXPORT_SYMBOL_GPL(inet_csk_listen_start); diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index ccc5980797fc..b6023b7baae0 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -468,13 +468,15 @@ void __inet_hash(struct sock *sk, struct sock *osk) } EXPORT_SYMBOL(__inet_hash); -void inet_hash(struct sock *sk) +int inet_hash(struct sock *sk) { if (sk->sk_state != TCP_CLOSE) { local_bh_disable(); __inet_hash(sk, NULL); local_bh_enable(); } + + return 0; } EXPORT_SYMBOL_GPL(inet_hash); diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index c117b21b937d..f6f93fc2c61f 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -145,10 +145,12 @@ fail: } EXPORT_SYMBOL_GPL(ping_get_port); -void ping_hash(struct sock *sk) +int ping_hash(struct sock *sk) { pr_debug("ping_hash(sk->port=%u)\n", inet_sk(sk)->inet_num); BUG(); /* "Please do not press this button again." */ + + return 0; } void ping_unhash(struct sock *sk) diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index bc35f1842512..d6352515d738 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -93,7 +93,7 @@ static struct raw_hashinfo raw_v4_hashinfo = { .lock = __RW_LOCK_UNLOCKED(raw_v4_hashinfo.lock), }; -void raw_hash_sk(struct sock *sk) +int raw_hash_sk(struct sock *sk) { struct raw_hashinfo *h = sk->sk_prot->h.raw_hash; struct hlist_head *head; @@ -104,6 +104,8 @@ void raw_hash_sk(struct sock *sk) sk_add_node(sk, head); sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); write_unlock_bh(&h->lock); + + return 0; } EXPORT_SYMBOL_GPL(raw_hash_sk); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 9f5137cd604e..b11c37cfd67c 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -235,7 +235,11 @@ lookup_protocol: * creation time automatically shares. */ inet->inet_sport = htons(inet->inet_num); - sk->sk_prot->hash(sk); + err = sk->sk_prot->hash(sk); + if (err) { + sk_common_release(sk); + goto out; + } } if (sk->sk_prot->init) { err = sk->sk_prot->init(sk); diff --git a/net/phonet/socket.c b/net/phonet/socket.c index d575ef4e9aa6..ffd5f2297584 100644 --- a/net/phonet/socket.c +++ b/net/phonet/socket.c @@ -140,13 +140,15 @@ void pn_deliver_sock_broadcast(struct net *net, struct sk_buff *skb) rcu_read_unlock(); } -void pn_sock_hash(struct sock *sk) +int pn_sock_hash(struct sock *sk) { struct hlist_head *hlist = pn_hash_list(pn_sk(sk)->sobject); mutex_lock(&pnsocks.lock); sk_add_node_rcu(sk, hlist); mutex_unlock(&pnsocks.lock); + + return 0; } EXPORT_SYMBOL(pn_sock_hash); @@ -200,7 +202,7 @@ static int pn_socket_bind(struct socket *sock, struct sockaddr *addr, int len) pn->resource = spn->spn_resource; /* Enable RX on the socket */ - sk->sk_prot->hash(sk); + err = sk->sk_prot->hash(sk); out_port: mutex_unlock(&port_mutex); out: diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 5ca2ebfe0be8..6427b9d1197e 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -6101,9 +6101,10 @@ static int sctp_getsockopt(struct sock *sk, int level, int optname, return retval; } -static void sctp_hash(struct sock *sk) +static int sctp_hash(struct sock *sk) { /* STUB */ + return 0; } static void sctp_unhash(struct sock *sk) |