14 Apr
2025
14 Apr
'25
3:25 p.m.
On Apr 11, 2025, at 1:37 AM, Nicolin Chen nicolinc@nvidia.com wrote: +__iommu_copy_struct_to_user(const struct iommu_user_data *dst_data,
- void *src_data, unsigned int data_type,
- size_t data_len, size_t min_len)
+{
- if (dst_data->type != data_type)
- return -EINVAL;
- if (WARN_ON(!dst_data || !src_data))
- return -EINVAL;
The NULL pointer check should be first.
-matt