[ Upstream commit c8f191282f819ab4e9b47b22a65c6c29734cefce ]

pr->tx_bytes should be assigned to tx_bytes other than
rx_bytes.
Reported-by: NHulk Robot <hulkci@huawei.com>
Fixes: ce45b873 ("ehea: Fixing statistics")
Signed-off-by: NYueHaibing <yuehaibing@huawei.com>
Reviewed-by: NMukesh Ojha <mojha@codeaurora.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>