1 files changed, 28 insertions, 0 deletions

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 4919a8e6063e..1c6ce3119ff8 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -1212,6 +1212,34 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
                 val = np->sndflow;
                 break;
 
+        case IPV6_FLOWLABEL_MGR:
+        {
+                struct in6_flowlabel_req freq;
+
+                if (len < sizeof(freq))
+                        return -EINVAL;
+
+                if (copy_from_user(&freq, optval, sizeof(freq)))
+                        return -EFAULT;
+
+                if (freq.flr_action != IPV6_FL_A_GET)
+                        return -EINVAL;
+
+                len = sizeof(freq);
+                memset(&freq, 0, sizeof(freq));
+
+                val = ipv6_flowlabel_opt_get(sk, &freq);
+                if (val < 0)
+                        return val;
+
+                if (put_user(len, optlen))
+                        return -EFAULT;
+                if (copy_to_user(optval, &freq, len))
+                        return -EFAULT;
+
+                return 0;
+        }
+
         case IPV6_ADDR_PREFERENCES:
                 val = 0;