[IPV6]: Optimize hop-limit determination.

Last part of hop-limit determination is always:
    hoplimit = dst_metric(dst, RTAX_HOPLIMIT);
    if (hoplimit < 0)
        hoplimit = ipv6_get_hoplimit(dst->dev).

Let's consolidate it as ip6_dst_hoplimit(dst).

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

1 files changed, 1 insertions, 3 deletions

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 5f5d1218c34e..593d3efadaf9 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -792,9 +792,7 @@ do_udp_sendmsg:
                 else
                         hlimit = np->hop_limit;
                 if (hlimit < 0)
-                        hlimit = dst_metric(dst, RTAX_HOPLIMIT);
-                if (hlimit < 0)
-                        hlimit = ipv6_get_hoplimit(dst->dev);
+                        hlimit = ip6_dst_hoplimit(dst);
         }
 
         if (tclass < 0) {