Commit cb15d9c2 authored by YOSHIFUJI Hideaki's avatar YOSHIFUJI Hideaki Committed by David S. Miller
Browse files

[IPV6] NDISC: Search subtrees when backtracking on receipt of redirects. 



Signed-off-by: default avatarYOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: default avatarVille Nuorvala <vnuorval@tcs.hut.fi>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 150730d5

net/ipv6/route.c

+3 −10
Original line number Diff line number Diff line
@@ -1332,17 +1332,10 @@ static struct rt6_info *__ip6_route_redirect(struct fib6_table *table, 
		break;

	}



	if (!rt) {

		if (rt6_need_strict(&fl->fl6_dst)) {

			while ((fn = fn->parent) != NULL) {

				if (fn->fn_flags & RTN_ROOT)

					break;

				if (fn->fn_flags & RTN_RTINFO)

					goto restart;

			}

		}

	if (!rt)

		rt = &ip6_null_entry;

	}

	BACKTRACK(&fl->fl6_src);

out:

	dst_hold(&rt->u.dst);



	read_unlock_bh(&table->tb6_lock);