tcp: Fix data-races around sk_pacing_rate.
While reading sysctl_tcp_pacing_(ss|ca)_ratio, they can be changed concurrently. Thus, we need to add READ_ONCE() to their readers. Fixes: 43e122b0 ("tcp: refine pacing rate determination") Signed-off-by:Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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