On 05/15/2017 03:31 PM, Hervé Poussineau wrote:
> - bs->total_sectors is the number of sectors of the whole disk
> - s->sector_count is the number of sectors of the FAT partition
> 
> This fixes the following assert in qemu-img map:
> qemu-img.c:2641: get_block_status: Assertion `nb_sectors' failed.
> 
> This also fixes an infinite loop in qemu-img convert.
> 
> Fixes: 4480e0f924a42e1db8b8cfcac4d0634dd1bb27a0

Wow - broken since 1.2? Not many vvfat users, are there.

Hervé, you might want to work out with Kevin whether to take
co-maintainership over vvfat, in addition to your other areas.

> Fixes: https://bugs.launchpad.net/qemu/+bug/1599539
> Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>

CC: qemu-stable@nongnu.org

> ---
>  block/vvfat.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Reviewed-by: Eric Blake <eblake@redhat.com>

(I will rebase my work for changing block_status into byte-based on top
of this)

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org