Input: atmel_mxt_ts - simplify the return expression of mxt_send_bootloader_cmd()

Simplify the return expression.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20201210135943.1612-1-zhengyongjun3@huawei.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/touchscreen/atmel_mxt_ts.c

@@ -608,7 +608,6 @@ static int mxt_check_bootloader(struct mxt_data *data, unsigned int state,
 
 static int mxt_send_bootloader_cmd(struct mxt_data *data, bool unlock)
 {
-	int ret;
 	u8 buf[2];
 
 	if (unlock) {
@@ -619,11 +618,7 @@ static int mxt_send_bootloader_cmd(struct mxt_data *data, bool unlock)
 		buf[1] = 0x01;
 	}
 
-	ret = mxt_bootloader_write(data, buf, 2);
-	if (ret)
-		return ret;
-
-	return 0;
+	return mxt_bootloader_write(data, buf, sizeof(buf));
 }
 
 static int __mxt_read_reg(struct i2c_client *client,