[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/raw.c b/net/ipv6/raw.c
index a9e4235157a..548d0763f4d 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -885,9 +885,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
                 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) {