On 09/13/2013 04:25 AM, Peter Lieven wrote: > Signed-off-by: Peter Lieven <p...@kamp.de> > --- > block.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Eric Blake <ebl...@redhat.com>
>
> diff --git a/block.c b/block.c
> index 4922fb9..cf9db62 100644
> --- a/block.c
> +++ b/block.c
> @@ -3156,7 +3156,7 @@ static int64_t coroutine_fn
> bdrv_co_get_block_status(BlockDriverState *bs,
> if (!(ret & BDRV_BLOCK_DATA)) {
> if (bdrv_has_zero_init(bs)) {
> ret |= BDRV_BLOCK_ZERO;
> - } else {
> + } else if (bs->backing_hd) {
> BlockDriverState *bs2 = bs->backing_hd;
> int64_t length2 = bdrv_getlength(bs2);
> if (length2 >= 0 && sector_num >= (length2 >> BDRV_SECTOR_BITS))
> {
>
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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