diff options
Diffstat (limited to 'net/tipc/socket.c')
| -rw-r--r-- | net/tipc/socket.c | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c index e795a8a2955b..69c4b16e8184 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -658,8 +658,8 @@ static int tipc_release(struct socket *sock) * NOTE: This routine doesn't need to take the socket lock since it doesn't * access any non-constant socket information. */ -static int tipc_bind(struct socket *sock, struct sockaddr *uaddr, - int uaddr_len) + +int tipc_sk_bind(struct socket *sock, struct sockaddr *uaddr, int uaddr_len) { struct sock *sk = sock->sk; struct sockaddr_tipc *addr = (struct sockaddr_tipc *)uaddr; @@ -691,13 +691,6 @@ static int tipc_bind(struct socket *sock, struct sockaddr *uaddr, goto exit; } - if ((addr->addr.nameseq.type < TIPC_RESERVED_TYPES) && - (addr->addr.nameseq.type != TIPC_TOP_SRV) && - (addr->addr.nameseq.type != TIPC_CFG_SRV)) { - res = -EACCES; - goto exit; - } - res = (addr->scope >= 0) ? tipc_sk_publish(tsk, addr->scope, &addr->addr.nameseq) : tipc_sk_withdraw(tsk, -addr->scope, &addr->addr.nameseq); @@ -706,6 +699,22 @@ exit: return res; } +static int tipc_bind(struct socket *sock, struct sockaddr *skaddr, int alen) +{ + struct sockaddr_tipc *addr = (struct sockaddr_tipc *)skaddr; + + if (alen) { + if (alen < sizeof(struct sockaddr_tipc)) + return -EINVAL; + if (addr->addr.nameseq.type < TIPC_RESERVED_TYPES) { + pr_warn_once("Can't bind to reserved service type %u\n", + addr->addr.nameseq.type); + return -EACCES; + } + } + return tipc_sk_bind(sock, skaddr, alen); +} + /** * tipc_getname - get port ID of socket or peer socket * @sock: socket structure |