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[IPV6] ROUTE: Fix dst reference counting in ip6_pol_route_lookup().

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In ip6_pol_route_lookup(), when we finish backtracking at the
top-level root entry, we need to hold it.

Bug noticed by Mitsuru Chinen <CHINEN@jp.ibm.com>.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2006-08-28 13:19:30 -07:00 committed by David S. Miller
parent 5176f91ea8
commit 33cc489668
1 changed files with 1 additions and 1 deletions
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2
net/ipv6/route.c
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@ -510,8 +510,8 @@ restart:
rt = fn->leaf; rt = fn->leaf;
rt = rt6_device_match(rt, fl->oif, flags); rt = rt6_device_match(rt, fl->oif, flags);
BACKTRACK(&fl->fl6_src); BACKTRACK(&fl->fl6_src);
dst_hold(&rt->u.dst);
out: out:
dst_hold(&rt->u.dst);
read_unlock_bh(&table->tb6_lock); read_unlock_bh(&table->tb6_lock);
rt->u.dst.lastuse = jiffies; rt->u.dst.lastuse = jiffies;