Re: [Qemu-devel] [PATCH 4/4] fix 0 sized write syscall

[Richard Henderson]

On 03/26/2010 08:25 AM, Riku Voipio wrote:
> +    if (len == 0) {
> +        return 0;
> +    }

This part is ok.

>  
> -    if (start + len - 1 < start) {
> +    if (start + len < start) {

This part re-introduces the bug I fixed.

  start = 0xffffff00
  len = 256

should succeed, and it won't reverting the (len-1) change.


r~