| Message ID | 20171031142149.32512-11-andriy.shevchenko@linux.intel.com |
|---|---|
| State | Awaiting Upstream |
| Headers | show |
| Series | [v1,01/15] i2c: Make i2c_unregister_device() NULL-aware | expand |
On Tue, 31 Oct 2017 16:21:45 +0200, Andy Shevchenko wrote: > Since i2c_unregister_device() became NULL-aware we may remove duplicate > NULL check. > > Cc: Jean Delvare <jdelvare@suse.com> > Cc: Guenter Roeck <linux@roeck-us.net> > Cc: linux-hwmon@vger.kernel.org > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > --- > drivers/hwmon/w83792d.c | 15 +++++---------- > 1 file changed, 5 insertions(+), 10 deletions(-) > > diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c > index d764602d70db..76aa39e537e0 100644 > --- a/drivers/hwmon/w83792d.c > +++ b/drivers/hwmon/w83792d.c > @@ -981,8 +981,7 @@ w83792d_detect_subclients(struct i2c_client *new_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; > } > @@ -1456,10 +1455,8 @@ w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id) > for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++) > sysfs_remove_group(&dev->kobj, &w83792d_group_fan[i]); > exit_i2c_unregister: > - 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; > } > > @@ -1475,10 +1472,8 @@ w83792d_remove(struct i2c_client *client) > sysfs_remove_group(&client->dev.kobj, > &w83792d_group_fan[i]); > > - 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 <jdelvare@suse.de>
diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index d764602d70db..76aa39e537e0 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -981,8 +981,7 @@ w83792d_detect_subclients(struct i2c_client *new_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; } @@ -1456,10 +1455,8 @@ w83792d_probe(struct i2c_client *client, const struct i2c_device_id *id) for (i = 0; i < ARRAY_SIZE(w83792d_group_fan); i++) sysfs_remove_group(&dev->kobj, &w83792d_group_fan[i]); exit_i2c_unregister: - 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; } @@ -1475,10 +1472,8 @@ w83792d_remove(struct i2c_client *client) sysfs_remove_group(&client->dev.kobj, &w83792d_group_fan[i]); - 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; }
Since i2c_unregister_device() became NULL-aware we may remove duplicate NULL check. Cc: Jean Delvare <jdelvare@suse.com> Cc: Guenter Roeck <linux@roeck-us.net> Cc: linux-hwmon@vger.kernel.org Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/hwmon/w83792d.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-)