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Subject[PATCH 4.18 024/197] net/ipv6: init ip6 anycast rt->dst.input as ip6_input
Date
4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hangbin Liu <liuhangbin@gmail.com>

[ Upstream commit d23c4b6336ef30898dcdff351f21e633e7a64930 ]

Commit 6edb3c96a5f02 ("net/ipv6: Defer initialization of dst to data path")
forgot to handle anycast route and init anycast rt->dst.input to ip6_forward.
Fix it by setting anycast rt->dst.input back to ip6_input.

Fixes: 6edb3c96a5f02 ("net/ipv6: Defer initialization of dst to data path")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/ipv6/route.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -956,7 +956,7 @@ static void ip6_rt_init_dst(struct rt6_i
rt->dst.error = 0;
rt->dst.output = ip6_output;

- if (ort->fib6_type == RTN_LOCAL) {
+ if (ort->fib6_type == RTN_LOCAL || ort->fib6_type == RTN_ANYCAST) {
rt->dst.input = ip6_input;
} else if (ipv6_addr_type(&ort->fib6_dst.addr) & IPV6_ADDR_MULTICAST) {
rt->dst.input = ip6_mc_input;

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