If total_sectors is rounded to match the geometry, total_size needs to be changed as well. Otherwise we end up with an image whose geometry describes a disk larger than the image file, which doesn't end well.
Signed-off-by: Kevin Wolf <kw...@redhat.com> --- block/vpc.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/block/vpc.c b/block/vpc.c index 379ff4a..46830ee 100644 --- a/block/vpc.c +++ b/block/vpc.c @@ -850,6 +850,7 @@ static int vpc_create(const char *filename, QemuOpts *opts, Error **errp) } total_sectors = (int64_t) cyls * heads * secs_per_cyl; + total_size = total_sectors * BDRV_SECTOR_SIZE; /* Prepare the Hard Disk Footer */ memset(buf, 0, 1024); @@ -871,13 +872,8 @@ static int vpc_create(const char *filename, QemuOpts *opts, Error **errp) /* Version of Virtual PC 2007 */ footer->major = cpu_to_be16(0x0005); footer->minor = cpu_to_be16(0x0003); - if (disk_type == VHD_DYNAMIC) { - footer->orig_size = cpu_to_be64(total_sectors * 512); - footer->size = cpu_to_be64(total_sectors * 512); - } else { - footer->orig_size = cpu_to_be64(total_size); - footer->size = cpu_to_be64(total_size); - } + footer->orig_size = cpu_to_be64(total_size); + footer->size = cpu_to_be64(total_size); footer->cyls = cpu_to_be16(cyls); footer->heads = heads; footer->secs_per_cyl = secs_per_cyl; -- 1.8.3.1