diff options
| -rw-r--r-- | net/tipc/socket.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 98550b90a730..361dc342f377 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -731,6 +731,7 @@ static int anc_data_recv(struct msghdr *m, struct tipc_msg *msg, u32 anc_data[3]; u32 err; u32 dest_type; + int has_name; int res; if (likely(m->msg_controllen == 0)) @@ -755,24 +756,27 @@ static int anc_data_recv(struct msghdr *m, struct tipc_msg *msg, dest_type = msg ? msg_type(msg) : TIPC_DIRECT_MSG; switch (dest_type) { case TIPC_NAMED_MSG: + has_name = 1; anc_data[0] = msg_nametype(msg); anc_data[1] = msg_namelower(msg); anc_data[2] = msg_namelower(msg); break; case TIPC_MCAST_MSG: + has_name = 1; anc_data[0] = msg_nametype(msg); anc_data[1] = msg_namelower(msg); anc_data[2] = msg_nameupper(msg); break; case TIPC_CONN_MSG: + has_name = (tport->conn_type != 0); anc_data[0] = tport->conn_type; anc_data[1] = tport->conn_instance; anc_data[2] = tport->conn_instance; break; default: - anc_data[0] = 0; + has_name = 0; } - if (anc_data[0] && + if (has_name && (res = put_cmsg(m, SOL_SOCKET, TIPC_DESTNAME, 12, anc_data))) return res; |