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authorKevin Wolf <kwolf@redhat.com>2015-02-11 17:19:57 +0100
committerKevin Wolf <kwolf@redhat.com>2015-03-09 11:11:59 +0100
commit3f3f20dcd34fc2fcf6dea2fe4e9b45d1c4d67288 (patch)
treeb746ac7b76df5f160f39c522023bde3a47527812
parent7c2eed3efa86c19436bc33372bfa9d7fbb6fda2c (diff)
downloadfocaccia-qemu-3f3f20dcd34fc2fcf6dea2fe4e9b45d1c4d67288.tar.gz
focaccia-qemu-3f3f20dcd34fc2fcf6dea2fe4e9b45d1c4d67288.zip
vpc: Fix size in fixed image creation
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 <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
-rw-r--r--block/vpc.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/block/vpc.c b/block/vpc.c
index 46803b14be..7fddbf0b75 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;