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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2017-10-31 17:21:46 +0300
committerGuenter Roeck <linux@roeck-us.net>2017-11-16 12:03:19 +0300
commit7adce422dd90bd673ef5c4da32c896bf740e3277 (patch)
tree5b0da78e88ecdea5c168d71740ccd48678ce4c9b /drivers/hwmon/w83793.c
parentc85a78b0785b8d2c173cde77c400ab439537ba4d (diff)
downloadlinux-7adce422dd90bd673ef5c4da32c896bf740e3277.tar.xz
hwmon: (w83793) Remove duplicate NULL check
Since i2c_unregister_device() became NULL-aware we may remove duplicate NULL check. Cc: Rudolf Marek <r.marek@assembler.cz> 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> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/w83793.c')
-rw-r--r--drivers/hwmon/w83793.c15
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
index 5ba9d9f1daa1..0af0f6283b35 100644
--- a/drivers/hwmon/w83793.c
+++ b/drivers/hwmon/w83793.c
@@ -1564,10 +1564,8 @@ static int w83793_remove(struct i2c_client *client)
for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
device_remove_file(dev, &w83793_temp[i].dev_attr);
- 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]);
/* Decrease data reference counter */
mutex_lock(&watchdog_data_mutex);
@@ -1625,8 +1623,7 @@ w83793_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;
}
@@ -1962,10 +1959,8 @@ exit_remove:
for (i = 0; i < ARRAY_SIZE(w83793_temp); i++)
device_remove_file(dev, &w83793_temp[i].dev_attr);
- 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]);
free_mem:
kfree(data);
exit: