Commit
360782dde00a2e6e7d9fd57535f90934707ab8a8 (hwmon: (w83781d) Stop
abusing struct i2c_client for ISA devices) broke W83782D support for
devices connected on the ISA bus. You will hit a NULL pointer
dereference as soon as you read any device attribute. Other devices,
and W83782D devices on the SMBus, aren't affected.
Reported-by: Michel Abraham
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: Michel Abraham
data->pwm[i] =
w83781d_read_value(data,
W83781D_REG_PWM[i]);
- if ((data->type != w83782d || !client->driver)
+ /* Only W83782D on SMBus has PWM3 and PWM4 */
+ if ((data->type != w83782d || !client)
&& i == 1)
break;
}