diff options
| -rw-r--r-- | block/vpc.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/block/vpc.c b/block/vpc.c index c8e17cb058..1c9592ccf4 100644 --- a/block/vpc.c +++ b/block/vpc.c @@ -215,12 +215,10 @@ static int vpc_open(BlockDriverState *bs, QDict *options, int flags, bs->total_sectors = (int64_t) be16_to_cpu(footer->cyls) * footer->heads * footer->secs_per_cyl; - /* images created with disk2vhd report a far higher virtual size - * than expected with the cyls * heads * sectors_per_cyl formula. - * use the footer->size instead if the image was created with - * disk2vhd. - */ - if (!strncmp(footer->creator_app, "d2v", 4)) { + /* Images that have exactly the maximum geometry are probably bigger and + * would be truncated if we adhered to the geometry for them. Rely on + * footer->size for them. */ + if (bs->total_sectors == 65535ULL * 16 * 255) { bs->total_sectors = be64_to_cpu(footer->size) / BDRV_SECTOR_SIZE; } |