linux-kernel - [PATCH 06/21] i2c: diolan: make use of i2c_8bit_addr_from

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20180514145330.4857-7-peda@axentia.se>
Date:   Mon, 14 May 2018 16:53:15 +0200
From:   Peter Rosin <peda@...ntia.se>
To:     linux-kernel@...r.kernel.org
Cc:     Peter Rosin <peda@...ntia.se>, Guenter Roeck <linux@...ck-us.net>,
        linux-i2c@...r.kernel.org,
        Wolfram Sang <wsa+renesas@...g-engineering.com>
Subject: [PATCH 06/21] i2c: diolan: make use of i2c_8bit_addr_from_msg

Because it looks neater and allows factoring out some code
that is now common between if and else.

Signed-off-by: Peter Rosin <peda@...ntia.se>
---
 drivers/i2c/busses/i2c-diolan-u2c.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/i2c/busses/i2c-diolan-u2c.c b/drivers/i2c/busses/i2c-diolan-u2c.c
index f718ee4e3332..3f28317cde39 100644
--- a/drivers/i2c/busses/i2c-diolan-u2c.c
+++ b/drivers/i2c/busses/i2c-diolan-u2c.c
@@ -360,11 +360,11 @@ static int diolan_usb_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs,
 			if (ret < 0)
 				goto abort;
 		}
+		ret = diolan_i2c_put_byte_ack(dev,
+					      i2c_8bit_addr_from_msg(pmsg));
+		if (ret < 0)
+			goto abort;
 		if (pmsg->flags & I2C_M_RD) {
-			ret =
-			    diolan_i2c_put_byte_ack(dev, (pmsg->addr << 1) | 1);
-			if (ret < 0)
-				goto abort;
 			for (j = 0; j < pmsg->len; j++) {
 				u8 byte;
 				bool ack = j < pmsg->len - 1;
@@ -393,9 +393,6 @@ static int diolan_usb_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs,
 				pmsg->buf[j] = byte;
 			}
 		} else {
-			ret = diolan_i2c_put_byte_ack(dev, pmsg->addr << 1);
-			if (ret < 0)
-				goto abort;
 			for (j = 0; j < pmsg->len; j++) {
 				ret = diolan_i2c_put_byte_ack(dev,
 							      pmsg->buf[j]);
-- 
2.11.0