linux-kernel - [PATCH 3/7] media: cx231xx: don't check number of messages in the driver

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Message-Id: <20180520065039.7989-4-wsa@the-dreams.de>
Date:   Sun, 20 May 2018 08:50:34 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     linux-i2c@...r.kernel.org
Cc:     Peter Rosin <peda@...ntia.se>, Wolfram Sang <wsa@...-dreams.de>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/7] media: cx231xx: don't check number of messages in the driver

Since commit 1eace8344c02 ("i2c: add param sanity check to
i2c_transfer()"), the I2C core does this check now. We can remove it
from drivers.

Signed-off-by: Wolfram Sang <wsa@...-dreams.de>
---

Only build tested.

 drivers/media/usb/cx231xx/cx231xx-i2c.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c
index 6e1bef2a45bb..15a91169e749 100644
--- a/drivers/media/usb/cx231xx/cx231xx-i2c.c
+++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c
@@ -376,8 +376,6 @@ static int cx231xx_i2c_xfer(struct i2c_adapter *i2c_adap,
 	struct cx231xx *dev = bus->dev;
 	int addr, rc, i, byte;
 
-	if (num <= 0)
-		return 0;
 	mutex_lock(&dev->i2c_lock);
 	for (i = 0; i < num; i++) {
 
-- 
2.11.0