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authorMarkus Armbruster <armbru@redhat.com>2010-06-29 16:58:30 +0200
committerKevin Wolf <kwolf@redhat.com>2010-07-02 13:18:02 +0200
commit18846dee1a795b4345ac0bd10b70a3a46fd14287 (patch)
treeae5d0224a6e9733c38835c39fab70e5f42393867 /hw/ide/qdev.c
parentdfb0acd88782573e075251ef323e23a4bffdbf93 (diff)
downloadfocaccia-qemu-18846dee1a795b4345ac0bd10b70a3a46fd14287.tar.gz
focaccia-qemu-18846dee1a795b4345ac0bd10b70a3a46fd14287.zip
block: Catch attempt to attach multiple devices to a blockdev
For instance, -device scsi-disk,drive=foo -device scsi-disk,drive=foo
happily creates two SCSI disks connected to the same block device.
It's all downhill from there.

Device usb-storage deliberately attaches twice to the same blockdev,
which fails with the fix in place.  Detach before the second attach
there.

Also catch attempt to delete while a guest device model is attached.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw/ide/qdev.c')
-rw-r--r--hw/ide/qdev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c
index a5fdab04ba..b34c473336 100644
--- a/hw/ide/qdev.c
+++ b/hw/ide/qdev.c
@@ -83,7 +83,7 @@ IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive)
 
     dev = qdev_create(&bus->qbus, "ide-drive");
     qdev_prop_set_uint32(dev, "unit", unit);
-    qdev_prop_set_drive(dev, "drive", drive->bdrv);
+    qdev_prop_set_drive_nofail(dev, "drive", drive->bdrv);
     qdev_init_nofail(dev);
     return DO_UPCAST(IDEDevice, qdev, dev);
 }