block: Restore extboot functionality after mismerge
Extboot if=virtio,boot=on is broken due to a mismerge of:
commit
666daa68234b5b1758652633cab07d5ca6046a5b
Author: Markus Armbruster <armbru@redhat.com>
Date: Wed Jun 2 18:48:27 2010 +0200
blockdev: Collect block device code in new blockdev.c
in:
commit
55cbee9e738bfe7434081967f884209f1a9c994c
Merge:
a854beb 666daa6
Author: Avi Kivity <avi@redhat.com>
Date: Mon Jun 21 17:29:02 2010 +0300
Merge commit '
666daa68234b5b1758652633cab07d5ca6046a5b' into
upstream-merge
The extboot_drive global is no longer being initialized in drive_init().
This patch restores the code to initialize extboot_drive.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>