[PATCH 04/11] mfplat: Implement IMFAttributes::{SetItem, GetItem}.

[Nikolay Sivov]

I don't think you need SAFE iterators for Get/Set.

> +    EnterCriticalSection(&object->lock);
> +
> +    if (!list_empty(&object->attributes))
> +    {
> +        struct mfattribute *attribute, *attribute2;
> +
> +        LIST_FOR_EACH_ENTRY_SAFE(attribute, attribute2, &object->attributes, struct mfattribute, entry)
> +        {
> +            PropVariantClear(&attribute->value);
> +            list_remove(&attribute->entry);
> +            heap_free(attribute);
> +        }
> +    }
> +
> +    LeaveCriticalSection(&object->lock);
> +
> +    object->lock.DebugInfo->Spare[0] = 0;
> +    DeleteCriticalSection(&object->lock);
Empty list check is redundant.