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[IPV6] ROUTE: Purge clones on other trees when deleting a route. 

Based on MIPL2 kernel patch.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Ville Nuorvala <vnuorval@tcs.hut.fi
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2006-08-23 17:22:55 -07:00 committed by David S. Miller
parent 982f56f3a9
commit 150730d5a5
1 changed files with 12 additions and 2 deletions
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14
net/ipv6/ip6_fib.c
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@ -1169,8 +1169,18 @@ int fib6_del(struct rt6_info *rt, struct nl_info *info)
BUG_TRAP(fn->fn_flags&RTN_RTINFO);
if (!(rt->rt6i_flags&RTF_CACHE))
fib6_prune_clones(fn, rt);
if (!(rt->rt6i_flags&RTF_CACHE)) {
struct fib6_node *pn = fn;
#ifdef CONFIG_IPV6_SUBTREES
/* clones of this route might be in another subtree */
if (rt->rt6i_src.plen) {
while (!(pn->fn_flags&RTN_ROOT))
pn = pn->parent;
pn = pn->parent;
}
#endif
fib6_prune_clones(pn, rt);
}
/*
* Walk the leaf entries looking for ourself