[RTNETLINK]: Don't return error on no-metrics.

Instead just cancel the nested attribute and return 0.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index eeff0b2..8f22549 100644 (file)
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -202,8 +202,10 @@ int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics)
                }
        }
 
-       if (!valid)
-               goto nla_put_failure;
+       if (!valid) {
+               nla_nest_cancel(skb, mx);
+               return 0;
+       }
 
        return nla_nest_end(skb, mx);