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>
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index ced58e1..fab23db 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -699,7 +699,7 @@
pr_warn("Freeing alive inet6 address %p\n", ifp);
return;
}
- dst_release(&ifp->rt->dst);
+ ip6_rt_put(ifp->rt);
kfree_rcu(ifp, rcu);
}
@@ -951,7 +951,7 @@
rt6_set_expires(rt, expires);
}
}
- dst_release(&rt->dst);
+ ip6_rt_put(rt);
}
/* clean up prefsrc entries */
@@ -2027,8 +2027,7 @@
addrconf_prefix_route(&pinfo->prefix, pinfo->prefix_len,
dev, expires, flags);
}
- if (rt)
- dst_release(&rt->dst);
+ ip6_rt_put(rt);
}
/* Try to figure out our local address for this prefix */
