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    Subject[PATCH AUTOSEL 4.14 065/186] NFC: port100: Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu().
    Date
    From: Mao Wenan <maowenan@huawei.com>

    [ Upstream commit 718eae277e62a26e5862eb72a830b5e0fe37b04a ]

    Convert cpu_to_le16(le16_to_cpu(frame->datalen) + len) to
    use le16_add_cpu(), which is more concise and does the same thing.

    Reported-by: Hulk Robot <hulkci@huawei.com>
    Signed-off-by: Mao Wenan <maowenan@huawei.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/nfc/port100.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/drivers/nfc/port100.c b/drivers/nfc/port100.c
    index 60ae382f50da9..06bb226c62ef4 100644
    --- a/drivers/nfc/port100.c
    +++ b/drivers/nfc/port100.c
    @@ -574,7 +574,7 @@ static void port100_tx_update_payload_len(void *_frame, int len)
    {
    struct port100_frame *frame = _frame;

    - frame->datalen = cpu_to_le16(le16_to_cpu(frame->datalen) + len);
    + le16_add_cpu(&frame->datalen, len);
    }

    static bool port100_rx_frame_is_valid(void *_frame)
    --
    2.20.1
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