Message ID | 1379067909-22984-11-git-send-email-pl@kamp.de |
---|---|
State | New |
Headers | show |
On 09/13/2013 04:25 AM, Peter Lieven wrote: > Signed-off-by: Peter Lieven <pl@kamp.de> > --- > block.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Reviewed-by: Eric Blake <eblake@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)) { >
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)) {
Signed-off-by: Peter Lieven <pl@kamp.de> --- block.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)