wireguard: socket: remove extra call to synchronize_net
synchronize_net() is a wrapper around synchronize_rcu(), so there's no point in having synchronize_net and synchronize_rcu back to back, despite the documentation comment suggesting maybe it's somewhat useful, "Wait for packets currently being received to be done." This commit removes the extra call. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Suggested-by: Eric Dumazet <eric.dumazet@gmail.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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