diff options
Diffstat (limited to 'drivers/misc/intel_menlow.c')
| -rw-r--r-- | drivers/misc/intel_menlow.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c index e00a2756e97..124b37ddb5c 100644 --- a/drivers/misc/intel_menlow.c +++ b/drivers/misc/intel_menlow.c @@ -71,6 +71,9 @@ static int memory_get_int_max_bandwidth(struct thermal_cooling_device *cdev, if (ACPI_FAILURE(status)) return -EFAULT; + if (!value) + return -EINVAL; + *max_state = value - 1; return 0; } @@ -121,7 +124,7 @@ static int memory_set_cur_bandwidth(struct thermal_cooling_device *cdev, if (memory_get_int_max_bandwidth(cdev, &max_state)) return -EFAULT; - if (max_state < 0 || state > max_state) + if (state > max_state) return -EINVAL; arg_list.count = 1; |