From: Kevin Wolf <kw...@redhat.com>
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>
Reviewed-by: Max Reitz <mre...@redhat.com>
---
block/vpc.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/block/vpc.c b/block/vpc.c
index 46803b1..7fddbf0 100644
--- a/block/vpc.c
+++ b/block/vpc.c
@@ -801,6 +801,7 @@ 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);
@@ -822,13 +823,8 @@ 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;
--
2.1.0
