ipv6: add flowinfo for tcp6 pkt_options for all cases

[linux-drm-fsl-dcu.git] / net / ipv6 / ipv6_sockglue.c

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 1c6ce3119ff8ce45f1b406c9b1356a2400f6fc1d..c2db1df46385600f7125eed1270d7b0685376078 100644 (file)
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -1034,6 +1034,10 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
                                int hlim = np->mcast_hops;
                                put_cmsg(&msg, SOL_IPV6, IPV6_2292HOPLIMIT, sizeof(hlim), &hlim);
                        }
+                       if (np->rxopt.bits.rxflow) {
+                               int flowinfo = np->rcv_flowinfo;
+                               put_cmsg(&msg, SOL_IPV6, IPV6_FLOWINFO, sizeof(flowinfo), &flowinfo);
+                       }
                }
                len -= msg.msg_controllen;
                return put_user(len, optlen);