diff options
Diffstat (limited to 'net/rds/af_rds.c')
| -rw-r--r-- | net/rds/af_rds.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c index b396c673dfaf..76f625986a7f 100644 --- a/net/rds/af_rds.c +++ b/net/rds/af_rds.c @@ -357,7 +357,8 @@ static int rds_cong_monitor(struct rds_sock *rs, sockptr_t optval, int optlen) return ret; } -static int rds_set_transport(struct rds_sock *rs, sockptr_t optval, int optlen) +static int rds_set_transport(struct net *net, struct rds_sock *rs, + sockptr_t optval, int optlen) { int t_type; @@ -373,6 +374,10 @@ static int rds_set_transport(struct rds_sock *rs, sockptr_t optval, int optlen) if (t_type < 0 || t_type >= RDS_TRANS_COUNT) return -EINVAL; + /* RDS/IB is restricted to the initial network namespace */ + if (t_type != RDS_TRANS_TCP && !net_eq(net, &init_net)) + return -EPROTOTYPE; + rs->rs_transport = rds_trans_get(t_type); return rs->rs_transport ? 0 : -ENOPROTOOPT; @@ -433,6 +438,7 @@ static int rds_setsockopt(struct socket *sock, int level, int optname, sockptr_t optval, unsigned int optlen) { struct rds_sock *rs = rds_sk_to_rs(sock->sk); + struct net *net = sock_net(sock->sk); int ret; if (level != SOL_RDS) { @@ -461,7 +467,7 @@ static int rds_setsockopt(struct socket *sock, int level, int optname, break; case SO_RDS_TRANSPORT: lock_sock(sock->sk); - ret = rds_set_transport(rs, optval, optlen); + ret = rds_set_transport(net, rs, optval, optlen); release_sock(sock->sk); break; case SO_TIMESTAMP_OLD: |