linux-kernel - [PATCH] Input: atmel_mxt_ts: remove meaningless checking

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Date:   Tue, 5 May 2020 17:09:30 +0800
From:   Xie XiuQi <xiexiuqi@...wei.com>
To:     <nick@...anahar.org>, <dmitry.torokhov@...il.com>
CC:     <linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] Input: atmel_mxt_ts: remove meaningless checking

byte_offset is unsigned integer, it's always >= 0, so remove this
meaningless checking.

Signed-off-by: Xie XiuQi <xiexiuqi@...wei.com>
---
 drivers/input/touchscreen/atmel_mxt_ts.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index ae60442efda0..1bd072c5a49d 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -1368,7 +1368,7 @@ static int mxt_prepare_cfg_mem(struct mxt_data *data, struct mxt_cfg *cfg)
 
 			byte_offset = reg + i - cfg->start_ofs;
 
-			if (byte_offset >= 0 && byte_offset < cfg->mem_size) {
+			if (byte_offset < cfg->mem_size) {
 				*(cfg->mem + byte_offset) = val;
 			} else {
 				dev_err(dev, "Bad object: reg:%d, T%d, ofs=%d\n",
-- 
2.20.1