diff options
Diffstat (limited to 'drivers/thermal/thermal_core.c')
| -rw-r--r-- | drivers/thermal/thermal_core.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index ffb4b9c41a40..68e6e09fdb37 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -944,8 +944,8 @@ thermal_cooling_device_cur_state_store(struct device *dev, const char *buf, size_t count) { struct thermal_cooling_device *cdev = to_cooling_device(dev); - unsigned long state; - int result; + unsigned long state, max_state; + int result, ret; if (!sscanf(buf, "%ld\n", &state)) return -EINVAL; @@ -953,6 +953,13 @@ thermal_cooling_device_cur_state_store(struct device *dev, if ((long)state < 0) return -EINVAL; + ret = cdev->ops->get_max_state(cdev, &max_state); + if (ret) + return ret; + + if (state > max_state) + return -EINVAL; + result = cdev->ops->set_cur_state(cdev, state); if (result) return result; |