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-rw-r--r--drivers/acpi/property.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 7836e2e980f4..6d99450549c5 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -528,13 +528,14 @@ int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
if (!val)
return obj->package.count;
- else if (nval <= 0)
- return -EINVAL;
if (nval > obj->package.count)
return -EOVERFLOW;
+ else if (nval <= 0)
+ return -EINVAL;
items = obj->package.elements;
+
switch (proptype) {
case DEV_PROP_U8:
ret = acpi_copy_property_array_u8(items, (u8 *)val, nval);