Commit 150730d5 authored by YOSHIFUJI Hideaki's avatar YOSHIFUJI Hideaki Committed by David S. Miller
Browse files

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



Based on MIPL2 kernel patch.

Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: default avatarVille Nuorvala <vnuorval@tcs.hut.fi>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 982f56f3

net/ipv6/ip6_fib.c

+12 −2
Original line number Diff line number Diff line
@@ -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