[NET]: Make helper to get dst entry and "use" it

There are many places that get the dst entry, increase the
__use counter and set the "lastuse" time stamp.

Make a helper for this.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 5 deletions

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 973a97abc446..6ecb5e6fae2e 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -544,12 +544,8 @@ restart:
         rt = rt6_device_match(rt, fl->oif, flags);
         BACKTRACK(&fl->fl6_src);
 out:
-        dst_hold(&rt->u.dst);
+        dst_use(&rt->u.dst, jiffies);
         read_unlock_bh(&table->tb6_lock);
-
-        rt->u.dst.lastuse = jiffies;
-        rt->u.dst.__use++;
-
         return rt;
 
 }