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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2012-08-15 10:49:43 +0300 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2012-09-23 21:08:33 -0700 |
| commit | 37f9648b2745fc3830f3715a601f7f94296de838 (patch) | |
| tree | 477929f36d0a629df45ed4ebb047e8fb775ade13 /drivers/hwmon/adt7410.c | |
| parent | 983b97bed21e392280e80f704e97170b76cb7f3e (diff) | |
| download | op-kernel-dev-37f9648b2745fc3830f3715a601f7f94296de838.zip op-kernel-dev-37f9648b2745fc3830f3715a601f7f94296de838.tar.gz | |
hwmon: (adt7410) handle errors from adt7410_update_device()
Smatch complains that adt7410_update_device() can return error pointers.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/adt7410.c')
| -rw-r--r-- | drivers/hwmon/adt7410.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/hwmon/adt7410.c b/drivers/hwmon/adt7410.c index f8606df..030c8d7 100644 --- a/drivers/hwmon/adt7410.c +++ b/drivers/hwmon/adt7410.c @@ -236,9 +236,14 @@ static ssize_t adt7410_show_t_hyst(struct device *dev, char *buf) { struct sensor_device_attribute *attr = to_sensor_dev_attr(da); - struct adt7410_data *data = adt7410_update_device(dev); + struct adt7410_data *data; int nr = attr->index; - int hyst = (data->hyst & ADT7410_T_HYST_MASK) * 1000; + int hyst; + + data = adt7410_update_device(dev); + if (IS_ERR(data)) + return PTR_ERR(data); + hyst = (data->hyst & ADT7410_T_HYST_MASK) * 1000; /* * hysteresis is stored as a 4 bit offset in the device, convert it |
