ntoskrnl.exe: Implement MmIsAddressValid (bug 11082)

[Dmitry Timoshkov]

"Detlef Riekenberg" <wine.dev at web.de> wrote:

> +    len = VirtualQuery(VirtualAddress, &info, sizeof(MEMORY_BASIC_INFORMATION));
> +
> +    if ((len == sizeof(MEMORY_BASIC_INFORMATION)) && 
> +        (info.Protect & (PAGE_READWRITE || PAGE_EXECUTE_READWRITE)) &&
> +        ((info.Protect & PAGE_NOACCESS) == 0) &&
> +        (info.Type & MEM_COMMIT))
> +    {
> +        return TRUE;
> +    }

Besides the already pointed out '||' vs. '|' mismatch your code doesn't
handle PAGE_READONLY and others implying read-only access. Probably checking
for PAGE_NOACCESS and MEM_COMMIT should be enough.

-- 
Dmitry.