ipv6: introduce ip6_rt_put()

As suggested by Eric, we could introduce a helper function
for ipv6 too, to avoid checking if rt is NULL before
dst_release().

Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index e10c77b4fbec..3deaa4e2e8e2 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -755,7 +755,7 @@ int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                 if (err == 0) {
                         IP6_INC_STATS(net, ip6_dst_idev(&rt->dst),
                                       IPSTATS_MIB_FRAGOKS);
-                        dst_release(&rt->dst);
+                        ip6_rt_put(rt);
                         return 0;
                 }
 
@@ -767,7 +767,7 @@ int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 
                 IP6_INC_STATS(net, ip6_dst_idev(&rt->dst),
                               IPSTATS_MIB_FRAGFAILS);
-                dst_release(&rt->dst);
+                ip6_rt_put(rt);
                 return err;
 
 slow_path_clean: