# \[PATCH AUTOSEL 5.5 180/542\] NFC: port100: Convert cpu\_to\_le16(le16\_to\_cpu(E1) + E2) to use le16\_add\_cpu(). - From: Sasha Levin \ - Date: 2020-02-14 18:13:28 - List: netdev - Page: https://ratatoskr.run/netdev/2020/02/5863343 - Thread: https://ratatoskr.run/stable/2020/02/5861602/t/6.md ```text From: Mao Wenan [ 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 Signed-off-by: Mao Wenan Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- 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 604dba4f18afd..8e4d355dc3aec 100644 --- a/drivers/nfc/port100.c +++ b/drivers/nfc/port100.c @@ -565,7 +565,7 @@ 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 ```