From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Delvare Subject: Re: [PATCH v1 10/15] hwmon: (w83791d) Remove duplicate NULL check Date: Tue, 31 Oct 2017 19:27:30 +0100 Message-ID: <20171031192730.3648e9a6@endymion> References: <20171031142149.32512-1-andriy.shevchenko@linux.intel.com> <20171031142149.32512-10-andriy.shevchenko@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20171031142149.32512-10-andriy.shevchenko@linux.intel.com> Sender: linux-hwmon-owner@vger.kernel.org To: Andy Shevchenko Cc: linux-i2c@vger.kernel.org, Wolfram Sang , Marc Hulsman , Guenter Roeck , linux-hwmon@vger.kernel.org List-Id: linux-i2c@vger.kernel.org On Tue, 31 Oct 2017 16:21:44 +0200, Andy Shevchenko wrote: > Since i2c_unregister_device() became NULL-aware we may remove duplicate > NULL check. > > Cc: Marc Hulsman > Cc: Jean Delvare > Cc: Guenter Roeck > Cc: linux-hwmon@vger.kernel.org > Signed-off-by: Andy Shevchenko > --- > drivers/hwmon/w83791d.c | 15 +++++---------- > 1 file changed, 5 insertions(+), 10 deletions(-) > > diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c > index 8af6081b4ab4..28fa3bd2c096 100644 > --- a/drivers/hwmon/w83791d.c > +++ b/drivers/hwmon/w83791d.c > @@ -1316,8 +1316,7 @@ static int w83791d_detect_subclients(struct i2c_client *client) > /* Undo inits in case of errors */ > > error_sc_1: > - if (data->lm75[0] != NULL) > - i2c_unregister_device(data->lm75[0]); > + i2c_unregister_device(data->lm75[0]); > error_sc_0: > return err; > } > @@ -1434,10 +1433,8 @@ static int w83791d_probe(struct i2c_client *client, > error4: > sysfs_remove_group(&client->dev.kobj, &w83791d_group); > error3: > - if (data->lm75[0] != NULL) > - i2c_unregister_device(data->lm75[0]); > - if (data->lm75[1] != NULL) > - i2c_unregister_device(data->lm75[1]); > + i2c_unregister_device(data->lm75[0]); > + i2c_unregister_device(data->lm75[1]); > return err; > } > > @@ -1448,10 +1445,8 @@ static int w83791d_remove(struct i2c_client *client) > hwmon_device_unregister(data->hwmon_dev); > sysfs_remove_group(&client->dev.kobj, &w83791d_group); > > - if (data->lm75[0] != NULL) > - i2c_unregister_device(data->lm75[0]); > - if (data->lm75[1] != NULL) > - i2c_unregister_device(data->lm75[1]); > + i2c_unregister_device(data->lm75[0]); > + i2c_unregister_device(data->lm75[1]); > > return 0; > } Reviewed-by: Jean Delvare -- Jean Delvare SUSE L3 Support