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Using RTNL to protect ops->fib_rules_seq reads seems a big hammer. Writes are protected by RTNL. We can use READ_ONCE() on readers. Constify 'struct net' argument of fib_rules_seq_read() and lookup_rules_ops(). Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://patch.msgid.link/20241009184405.3752829-2-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>