Re: [Xen-devel] [PATCH qemu-xen-traditional] Fix after blkif.h update

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 27.02.12 at 10:34, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> diff --git a/hw/e1000.c b/hw/e1000.c
> index bb3689e..97104ed 100644
> --- a/hw/e1000.c
> +++ b/hw/e1000.c
> @@ -444,6 +444,8 @@ process_tx_desc(E1000State *s, struct e1000_tx_desc *dp)
>              bytes = split_size;
>              if (tp->size + bytes > msh)
>                  bytes = msh - tp->size;
> +
> +            bytes = MIN(sizeof(tp->data) - tp->size, bytes);
>              cpu_physical_memory_read(addr, tp->data + tp->size, bytes);
>              if ((sz = tp->size + bytes) >= hdr && tp->size < hdr)
>                  memmove(tp->header, tp->data, hdr);
> @@ -459,6 +461,7 @@ process_tx_desc(E1000State *s, struct e1000_tx_desc *dp)
>          // context descriptor TSE is not set, while data descriptor TSE is 
> set
>          DBGOUT(TXERR, "TCP segmentaion Error\n");
>      } else {
> +        split_size = MIN(sizeof(tp->data) - tp->size, split_size);
>          cpu_physical_memory_read(addr, tp->data + tp->size, split_size);
>          tp->size += split_size;
>      }

What are these two changes doing here?

Jan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel