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

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Message-Id: <20180520065039.7989-8-wsa@the-dreams.de>
Date:   Sun, 20 May 2018 08:50:38 +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 7/7] media: dvb-usb: 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/dvb-usb/m920x.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/media/usb/dvb-usb/m920x.c b/drivers/media/usb/dvb-usb/m920x.c
index 32081c2ce0da..a6ab6688cbb3 100644
--- a/drivers/media/usb/dvb-usb/m920x.c
+++ b/drivers/media/usb/dvb-usb/m920x.c
@@ -255,9 +255,6 @@ static int m920x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int nu
 	int i, j;
 	int ret = 0;
 
-	if (!num)
-		return -EINVAL;
-
 	if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
 		return -EAGAIN;
 
-- 
2.11.0