tcp: replace dst_confirm with sk_dst_confirm
When same struct dst_entry can be used for many different neighbours we can not use it for pending confirmations. Use the new sk_dst_confirm() helper to propagate the indication from received packets to sock_confirm_neigh(). Reported-by: YueHaibing <yuehaibing@huawei.com> Fixes: 5110effe ("net: Do delayed neigh confirmation.") Fixes: f2bb4bed ("ipv4: Cache output routes in fib_info nexthops.") Tested-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Julian Anastasov <ja@ssi.bg> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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