diff options
Diffstat (limited to 'net/sctp/socket.c')
| -rw-r--r-- | net/sctp/socket.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 4dcdabf5647..6edaaa009d6 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -333,12 +333,19 @@ SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len) if (!sp->pf->bind_verify(sp, addr)) return -EADDRNOTAVAIL; - /* We must either be unbound, or bind to the same port. */ - if (bp->port && (snum != bp->port)) { - SCTP_DEBUG_PRINTK("sctp_do_bind:" + /* We must either be unbound, or bind to the same port. + * It's OK to allow 0 ports if we are already bound. + * We'll just inhert an already bound port in this case + */ + if (bp->port) { + if (!snum) + snum = bp->port; + else if (snum != bp->port) { + SCTP_DEBUG_PRINTK("sctp_do_bind:" " New port %d does not match existing port " "%d.\n", snum, bp->port); - return -EINVAL; + return -EINVAL; + } } if (snum && snum < PROT_SOCK && !capable(CAP_NET_BIND_SERVICE)) @@ -1655,6 +1662,9 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, goto out_free; } + if (asoc->pmtu_pending) + sctp_assoc_pending_pmtu(asoc); + /* If fragmentation is disabled and the message length exceeds the * association fragmentation point, return EMSGSIZE. The I-D * does not specify what this error is, but this looks like @@ -3550,6 +3560,7 @@ SCTP_STATIC int sctp_do_peeloff(struct sctp_association *asoc, struct sock *sk = asoc->base.sk; struct socket *sock; struct inet_sock *inetsk; + struct sctp_af *af; int err = 0; /* An association cannot be branched off from an already peeled-off @@ -3571,8 +3582,9 @@ SCTP_STATIC int sctp_do_peeloff(struct sctp_association *asoc, /* Make peeled-off sockets more like 1-1 accepted sockets. * Set the daddr and initialize id to something more random */ + af = sctp_get_af_specific(asoc->peer.primary_addr.sa.sa_family); + af->to_sk_daddr(&asoc->peer.primary_addr, sk); inetsk = inet_sk(sock->sk); - inetsk->daddr = asoc->peer.primary_addr.v4.sin_addr.s_addr; inetsk->id = asoc->next_tsn ^ jiffies; *sockp = sock; @@ -4343,11 +4355,12 @@ copy_getaddrs: err = -EFAULT; goto error; } - if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num)) - return -EFAULT; + if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num)) { + err = -EFAULT; + goto error; + } if (put_user(bytes_copied, optlen)) - return -EFAULT; - + err = -EFAULT; error: kfree(addrs); return err; |