diff options
Diffstat (limited to 'block/vmdk.c')
| -rw-r--r-- | block/vmdk.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/block/vmdk.c b/block/vmdk.c index f34c16db7c..50a279a8d8 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -886,20 +886,28 @@ static int vmdk_open(BlockDriverState *bs, QDict *options, int flags, char *buf = NULL; int ret; BDRVVmdkState *s = bs->opaque; + uint32_t magic; buf = vmdk_read_desc(bs->file, 0, errp); if (!buf) { return -EINVAL; } - if (vmdk_open_sparse(bs, bs->file, flags, buf, errp) == 0) { - s->desc_offset = 0x200; - } else { - ret = vmdk_open_desc_file(bs, flags, buf, errp); - if (ret) { - goto fail; - } + magic = ldl_be_p(buf); + switch (magic) { + case VMDK3_MAGIC: + case VMDK4_MAGIC: + ret = vmdk_open_sparse(bs, bs->file, flags, buf, errp); + s->desc_offset = 0x200; + break; + default: + ret = vmdk_open_desc_file(bs, flags, buf, errp); + break; } + if (ret) { + goto fail; + } + /* try to open parent images, if exist */ ret = vmdk_parent_open(bs); if (ret) { |