Subject: [PATCH AUTOSEL 4.4 037/100] NFC: port100: Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu().

From: Sasha Levin <[email-masked]>
Date: Fri, 14 Feb 2020 11:23:21 -0500

From: Mao Wenan <[email-masked]>

[ 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 <[email-masked]>
Signed-off-by: Mao Wenan <[email-masked]>
Signed-off-by: David S. Miller <[email-masked]>
Signed-off-by: Sasha Levin <[email-masked]>
---
 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 87d5099967040..3ffbed72adf75 100644
--- a/drivers/nfc/port100.c
+++ b/drivers/nfc/port100.c
@@ -545,7 +545,7 @@ 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