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-rw-r--r--drivers/misc/intel_menlow.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/misc/intel_menlow.c b/drivers/misc/intel_menlow.c
index e00a275..124b37d 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;
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