This patch checks wether fs->vol_name exists and handles the
case where it doesn't exist. That fixes the lockup that occurs
when trying to run qemu-system-ppc -cdrom <iso> -boot d
Signed-off-by: Stefan Assmann <sassmann@suse.de>
git-svn-id: svn://coreboot.org/openbios/openbios-devel@430 f158a5a8-5612-0410-a976-696ce0be7e32