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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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7
net/ipv6/addrconf.c
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@@ -699,7 +699,7 @@ void inet6_ifa_finish_destroy(struct inet6_ifaddr *ifp)
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 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
rt6_set_expires(rt, expires);
}
}
dst_release(&rt->dst);
ip6_rt_put(rt);
}
/* clean up prefsrc entries */
@@ -2027,8 +2027,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao)
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 */