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ipv6: introduce ip6_rt_put()

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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>
This commit is contained in:
Amerigo Wang
2012-10-29 00:13:19 +00:00
committed by David S. Miller
parent 6da025fa23
commit 94e187c015
11 changed files with 32 additions and 26 deletions
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4
net/ipv6/mcast.c
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@@ -163,7 +163,7 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
rt = rt6_lookup(net, addr, NULL, 0, 0);
if (rt) {
dev = rt->dst.dev;
dst_release(&rt->dst);
ip6_rt_put(rt);
}
} else
dev = dev_get_by_index_rcu(net, ifindex);
@@ -260,7 +260,7 @@ static struct inet6_dev *ip6_mc_find_dev_rcu(struct net *net,
if (rt) {
dev = rt->dst.dev;
dst_release(&rt->dst);
ip6_rt_put(rt);
}
} else
dev = dev_get_by_index_rcu(net, ifindex);